Patent US8092520B2 successfully refreshed from Google Patents.
US8092520B2
Active / In Force
US
⏱️ 0.0 years remaining
Vascular prosthesis connecting stent
Assignee: Edwards Lifesciences Cardiaq LLC
•
Filing: 2006-11-09
•
Granted: 2012-01-10
•
Expires: 2026-11-09
Abstract
Abstract An expandable vascular stent includes an m×n array of ovals formed in a cylinder, m being the number of columns of ovals in the circumferential direction and n being the number of rows of ovals in the axial direction, and a plurality of prongs extending inwardly from the outer ends of respective ovals in rows 1 and n of the m×n array, and being arranged in facing pairs extending from axially-aligned ovals. The cylinder is expandable from an initial diameter to a pre-determined final diameter, wherein an increase in the diameter of the stent results in a substantial decrease in the length of the stent. The tube and the prongs can be made of surgical stainless steel, the tube being expandable using an angioplasty balloon; or the tube and the prongs can be made of a memory metal and the tube is self-expanding.
Inventors
- 👤 Arshad Quadri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:09
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/82; A61F2/02; A61F2/24; A61F2/2412; A61F2/2418; A61F2/86; A61F2/90; A61F2/91; A61F2/915; A61F2/848; A61F2002/8483; A61F2002/8486; A61F2002/91533; A61F2002/91541; A61F2002/9155; A61F2002/91558; A61F2220/00; A61F2220/0008; A61F2220/0016; A61F2230/00; A61F2230/0002; A61F2230/0004; A61F2230/0013; A61F2230/0028; A61F2230/0054
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
276 words
An expandable vascular stent comprising an m×n array of ovals formed in a cylinder having a diameter, a circumference, an axis, and a length in the direction of the axis, where m is the number of columns of ovals in the circumferential direction and n is the number of rows of ovals in the axial direction, the ovals having a short axis and a long axis, the short axis of the ovals extending in the circumferential direction and the long axis of the ovals extending in the axial direction, the cylinder being expandable from an initial diameter to a pre-determined final diameter, wherein an increase in the diameter of the stent results in a decrease in the length of the stent; and a plurality of prongs located at rows 1 and n of the m×n array for connecting the cylinder to a surrounding body, a first plurality of prongs located at row 1 extending generally radially outwardly from the ovals and generally toward a second plurality of prongs located at row n, and the second plurality of prongs located at row n extend generally radially outwardly from the ovals and generally toward the first plurality of prongs at row 1; wherein when the stent is expanded to the final diameter, each of the prongs is bent at or adjacent the ovals so that an elongate first portion along the length of the prong extends radially outwardly, and each of the prongs is further bent radially inwardly relative the first portion so that an elongate second portion along the length of the prong is spaced radially outwardly from the ovals and extends in a generally axial direction.
Claim 2
Dependent Claim
276 words
An expandable vascular stent comprising an m×n array of ovals formed in a cylinder having a diameter, a circumference, an axis, and a length in the direction of the axis, where m is the number of columns of ovals in the circumferential direction and n is the number of rows of ovals in the axial direction, the ovals having a short axis and a long axis, the short axis of the ovals extending in the circumferential direction and the long axis of the ovals extending in the axial direction, the cylinder being expandable from an initial diameter to a pre-determined final diameter, wherein an increase in the diameter of the stent results in a decrease in the length of the stent; and a plurality of prongs located at rows 1 and n of the m×n array for connecting the cylinder to a surrounding body, a first plurality of prongs located at row 1 extending generally radially outwardly from the ovals and generally toward a second plurality of prongs located at row n, and the second plurality of prongs located at row n extend generally radially outwardly from the ovals and generally toward the first plurality of prongs at row 1; wherein when the stent is expanded to the final diameter, each of the prongs is bent at or adjacent the ovals so that an elongate first portion along the length of the prong extends radially outwardly, and each of the prongs is further bent radially inwardly relative the first portion so that an elongate second portion along the length of the prong is spaced radially outwardly from the ovals and extends in a generally axial direction.
Claim 3
Dependent Claim
44 words
The expandable vascular stent of claim 1 , wherein prongs from the first plurality of prongs are arranged in facing pairs with prongs from the second plurality of prongs when the respective prongs extend from ovals that are in alignment in the axial direction.
Claim 4
Dependent Claim
31 words
The expandable vascular stent of claim 2 , wherein when the stent is expanded to the final diameter, the elongate second portions of the prongs in facing pairs are approximately collinear.
Claim 5
Dependent Claim
40 words
The expandable vascular stent of claim 2 , wherein prior to expansion of the cylinder, the prongs substantially conform to the shape of the cylinder and after expansion, the prongs extend outwardly, from the cylinder to engage the surrounding body.
Claim 6
Dependent Claim
35 words
The expandable vascular stent of claim 1 , further comprising circumferential connectors connecting adjacent ovals to each other in the circumferential direction and axial connectors connecting adjacent ovals to each other in the axial direction.
Claim 7
Dependent Claim
33 words
The expandable vascular stent of claim 5 , wherein the circumferential connectors and the axial connectors are positioned between the ovals coincident with the common short and long axes of the ovals, respectively.
Claim 8
Dependent Claim
27 words
The expandable vascular stent of claim 5 , further comprising prongs extending from at least some of the circumferential connectors between ovals in rows 1 and n.
Claim 9
Dependent Claim
48 words
The expandable vascular stent of claim 1 , wherein on continued expansion at a desired location within a patient, due to foreshortening of the ovals tissue is engaged in between the prongs so as to form a stable connection of the stent to tissue at the desired location.
Claim 10
Dependent Claim
21 words
The expandable vascular stent of claim 8 , wherein the prongs exert a generally longitudinally-directed force on the tissue engaged therebetween.
Claim 11
Dependent Claim
29 words
The expandable vascular stent of claim 1 , wherein the cylinder and the prongs are made of surgical stainless steel and the cylinder is expanded using an angioplasty balloon.
Claim 12
Dependent Claim
25 words
The expandable vascular stent of claim 1 , wherein the cylinder and the prongs are made of a memory metal and the cylinder is self-expanding.
Claim 13
Dependent Claim
18 words
The expandable vascular stent of claim 1 , further comprising a percutaneous heart valve seated inside the cylinder.
Claim 14
Dependent Claim
234 words
An expandable vascular stent comprising: an m×n array of ovals formed in a cylinder having a diameter, a circumference, an axis, and a length in the direction of the axis, where m is the number of columns of ovals in the circumferential direction and n is the number of rows of ovals in the axial direction, the ovals having a short axis and a long axis, the short axis of the ovals extending in the circumferential direction and the long axis of the ovals extending in the axial direction, the cylinder being expandable from an initial diameter to a pre-determined final diameter, wherein an increase in the diameter of the stent results in a decrease in the length of the stent; and a plurality of prongs located at rows 1 and n of the m×n array for connecting the cylinder to a surrounding body, a first plurality of prongs located at row 1 extending generally radially outwardly from the ovals and generally toward a second plurality of prongs located at row n, and the second plurality of prongs located at row n extend generally radially outwardly from the ovals and generally toward the first plurality of prongs at row 1; wherein each prong includes a spine extending the length of the long axis of the oval and a furcation on either side of the spine at a location between the ends of the spine.
Claim 15
Dependent Claim
234 words
An expandable vascular stent comprising: an m×n array of ovals formed in a cylinder having a diameter, a circumference, an axis, and a length in the direction of the axis, where m is the number of columns of ovals in the circumferential direction and n is the number of rows of ovals in the axial direction, the ovals having a short axis and a long axis, the short axis of the ovals extending in the circumferential direction and the long axis of the ovals extending in the axial direction, the cylinder being expandable from an initial diameter to a pre-determined final diameter, wherein an increase in the diameter of the stent results in a decrease in the length of the stent; and a plurality of prongs located at rows 1 and n of the m×n array for connecting the cylinder to a surrounding body, a first plurality of prongs located at row 1 extending generally radially outwardly from the ovals and generally toward a second plurality of prongs located at row n, and the second plurality of prongs located at row n extend generally radially outwardly from the ovals and generally toward the first plurality of prongs at row 1; wherein each prong includes a spine extending the length of the long axis of the oval and a furcation on either side of the spine at a location between the ends of the spine.
Claim 16
Dependent Claim
63 words
The expandable vascular stent of claim 13 , wherein the spine has end hinge points at the ends thereof and an intermediate hinge point at the base of the furcations, and wherein an amount by which the ovals are foreshortened and an angle of the furcations upon expansion depends on the location of the intermediate hinge point relative to the end hinge points.
Claim 17
Dependent Claim
317 words
A support for a vascular prosthesis, comprising: at least one row of interconnected foreshortening cells extending circumferentially around a longitudinal axis of the support, each of the foreshortening cells having a circumferential axis in the circumferential direction and a long axis in the longitudinal direction, each foreshortening cell having a proximal end and a distal end, the support being expandable from a compacted diameter to an expanded diameter, the foreshortening cells being configured so that when the support is expanded from the compacted diameter to the expanded diameter, the circumferential axis of each foreshortening cell increases while simultaneously the long axis of each foreshortening cell decreases; a plurality of elongate distal prongs extending from the distal ends of foreshortening cells in one of the at least one row of interconnected foreshortening cells, the elongate distal prongs extend generally radially outwardly from the foreshortening cells and generally axially toward the proximal end of the associated foreshortening cells, each distal prong having a first and a second portion along its length, the prong being bent between the first and second portions so that the second portion extends in a more axially-directed direction than the first portion; and a plurality of elongate proximal prongs extending from the proximal ends of foreshortening cells in one of the at least one row of interconnected foreshortening cells, the elongate proximal prongs extending generally radially outwardly from the foreshortening cells and generally axially toward the distal end of the associated foreshortening cells so that a space is defined between tips of the proximal and distal prongs, each proximal prong having a first and a second portion along its length, the prong being bent between the first and second portions so that the second portion extends in a more axially-directed direction than the first portion; wherein when the support is radially expanded a longitudinal distance between the tips of the proximal and distal prongs decreases.
Claim 18
Dependent Claim
317 words
A support for a vascular prosthesis, comprising: at least one row of interconnected foreshortening cells extending circumferentially around a longitudinal axis of the support, each of the foreshortening cells having a circumferential axis in the circumferential direction and a long axis in the longitudinal direction, each foreshortening cell having a proximal end and a distal end, the support being expandable from a compacted diameter to an expanded diameter, the foreshortening cells being configured so that when the support is expanded from the compacted diameter to the expanded diameter, the circumferential axis of each foreshortening cell increases while simultaneously the long axis of each foreshortening cell decreases; a plurality of elongate distal prongs extending from the distal ends of foreshortening cells in one of the at least one row of interconnected foreshortening cells, the elongate distal prongs extend generally radially outwardly from the foreshortening cells and generally axially toward the proximal end of the associated foreshortening cells, each distal prong having a first and a second portion along its length, the prong being bent between the first and second portions so that the second portion extends in a more axially-directed direction than the first portion; and a plurality of elongate proximal prongs extending from the proximal ends of foreshortening cells in one of the at least one row of interconnected foreshortening cells, the elongate proximal prongs extending generally radially outwardly from the foreshortening cells and generally axially toward the distal end of the associated foreshortening cells so that a space is defined between tips of the proximal and distal prongs, each proximal prong having a first and a second portion along its length, the prong being bent between the first and second portions so that the second portion extends in a more axially-directed direction than the first portion; wherein when the support is radially expanded a longitudinal distance between the tips of the proximal and distal prongs decreases.
Claim 19
Dependent Claim
18 words
The support of claim 15 , wherein the foreshortening cells are defined by a plurality of interconnected struts.
Claim 20
Dependent Claim
21 words
The support of claims 15 , wherein when the support is expanded in diameter a shape of each foreshortening cell changes.
Claim 21
Dependent Claim
33 words
The support of claim 17 , wherein at a first stent diameter a first one of the foreshortening cells is oval-shaped, and at a second stent diameter the first foreshortening cell is diamond-shaped.
Claim 22
Dependent Claim
36 words
The support of claim 15 , wherein the support comprises a plurality of rows of interconnected foreshortening cells, and the proximal prongs extend from a different row of interconnected foreshortening cells than do the distal prongs.
Claim 23
Dependent Claim
52 words
The support of claims 15 , wherein in the expanded configuration, the second portion of each of the distal and proximal prongs is substantially straight, and the substantially straight second portion of one of the proximal prongs is generally collinear with the substantially straight second portion of one of the distal prongs.
Claim 24
Dependent Claim
37 words
The support of claims 20 , wherein in the expanded configuration the substantially straight second portion of one of the proximal prongs is generally parallel to the substantially straight second portion of another of the proximal prongs.
Claim 25
Dependent Claim
39 words
The support of claims 21 , wherein in the expanded configuration the substantially straight second portion of one of the proximal prongs is generally parallel to the substantially straight second portion of at least one of the distal prongs.
Claim 26
Dependent Claim
16 words
The support of claim 15 , further comprising a percutaneous heart valve seated inside the support.
Claim 27
Dependent Claim
72 words
The support of claim 15 , wherein the prongs are configured so that when the support is expanded from the compacted diameter to the expanded diameter so that the longitudinal distance between the tips of the proximal and distal prongs decreases, body tissue in the space between the tips of the proximal and distal prongs is engaged by the prongs sufficient to form a stable connection between the support and the tissue.
Claim 28
Dependent Claim
22 words
The support of claim 24 , wherein the tips of the prongs exert a generally longitudinally-directed force on the tissue engaged therebetween.
Claim 29
Dependent Claim
26 words
The support of claim 25 in combination with an expandable balloon, wherein the support is made of surgical stainless steel and is expandable using the balloon.
Claim 30
Dependent Claim
24 words
The support of claim 25 , wherein the support is made of a memory metal and is configured to self-expand toward the expanded diameter.
Claim 31
Dependent Claim
298 words
A support for a vascular prosthesis, comprising: at least one row of interconnected foreshortening cells extending circumferentially around a longitudinal axis of the support, each of the foreshortening cells having a circumferential axis in the circumferential direction and a long axis in the longitudinal direction, the support having a proximal end and a distal end and being expandable from a compacted diameter to an expanded diameter, the foreshortening cells being configured so that when the support is expanded from the compacted diameter to the expanded diameter, the circumferential axis of each foreshortening cell increases while simultaneously the long axis of each foreshortening cell decreases; an elongate distal prong extending from a foreshortening cell in one of the at least one row of interconnected foreshortening cells, the elongate distal prong extending generally radially outwardly from the foreshortening cell and generally axially toward the proximal end of the support; and an elongate proximal prong extending from the support proximal of the distal prong, the elongate proximal prong extending generally radially outwardly relative to the foreshortening cells of the support and generally axially toward the distal end of the support so that a space is defined between tips of the proximal and distal prongs and the distal prong tip is distal of the proximal prong tip; wherein the prongs are bent when the support is radially expanded so that a first portion of each prong, which first portion is spaced from the prong tip, extends outwardly relative to the longitudinal axis of the support, and the prongs are further bent so that a second portion of the prong adjacent the prong tip extends inwardly relative to the outwardly-bent first portion; and wherein when the support is radially expanded a longitudinal distance between the tips of the proximal and distal prongs decreases.
Claim 32
Dependent Claim
298 words
A support for a vascular prosthesis, comprising: at least one row of interconnected foreshortening cells extending circumferentially around a longitudinal axis of the support, each of the foreshortening cells having a circumferential axis in the circumferential direction and a long axis in the longitudinal direction, the support having a proximal end and a distal end and being expandable from a compacted diameter to an expanded diameter, the foreshortening cells being configured so that when the support is expanded from the compacted diameter to the expanded diameter, the circumferential axis of each foreshortening cell increases while simultaneously the long axis of each foreshortening cell decreases; an elongate distal prong extending from a foreshortening cell in one of the at least one row of interconnected foreshortening cells, the elongate distal prong extending generally radially outwardly from the foreshortening cell and generally axially toward the proximal end of the support; and an elongate proximal prong extending from the support proximal of the distal prong, the elongate proximal prong extending generally radially outwardly relative to the foreshortening cells of the support and generally axially toward the distal end of the support so that a space is defined between tips of the proximal and distal prongs and the distal prong tip is distal of the proximal prong tip; wherein the prongs are bent when the support is radially expanded so that a first portion of each prong, which first portion is spaced from the prong tip, extends outwardly relative to the longitudinal axis of the support, and the prongs are further bent so that a second portion of the prong adjacent the prong tip extends inwardly relative to the outwardly-bent first portion; and wherein when the support is radially expanded a longitudinal distance between the tips of the proximal and distal prongs decreases.
Claim 33
Dependent Claim
72 words
The support of claim 28 , wherein the prongs are configured so that when the support is expanded from the compacted diameter to the expanded diameter so that the longitudinal distance between the tips of the proximal and distal prongs decreases, body tissue in the space between the tips of the proximal and distal prongs is engaged by the prongs sufficient to form a stable connection between the support and the tissue.
Claim 34
Dependent Claim
19 words
The support of claim 29 , wherein the prongs exert a generally longitudinally-directed force on the tissue engaged therebetween.
Claim 35
Dependent Claim
48 words
The support of claim 30 additionally comprising a percutaneous replacement heart valve attached inside the support, and the support is sized and configured so that the prongs axially engage tissue as the support is radially expanded so as to anchor the support within a native heart valve opening.
Claim 36
Dependent Claim
36 words
The support of claims 31 , wherein in the expanded configuration the distal and proximal prongs each comprise a substantially straight portion, and the straight portions are generally parallel to the longitudinal axis of the support.
Claim 37
Dependent Claim
70 words
The support of claim 32 , wherein the support is made of a memory metal material, and is configured to self-expand from the compacted diameter toward the expanded diameter, and wherein a memory shape of the prongs is to comprise a base portion that bends radially outwardly relative to the corresponding foreshortening cell, and an elongate portion that extends generally straight and parallel to the longitudinal axis of the support.
Claim 38
Dependent Claim
25 words
The support of claim 33 , wherein the proximal and distal prongs extend longitudinally toward one another when the support is in the compacted diameter.
Claim 39
Dependent Claim
28 words
The support of claim 28 , wherein the elongate proximal prong extends from a foreshortening cell in one of the at least one row of interconnected foreshortening cells.
Claim 40
Dependent Claim
325 words
A support for a vascular prosthesis, comprising: a support body comprising an array of interconnected cells extending circumferentially around a longitudinal axis of the support, the support body having a proximal end and a distal end and being radially expandable from a compacted state to an expanded state; an elongate distal prong extending from the support body, the elongate distal prong extending generally toward the proximal end of the support body so that a tip of the distal prong is longitudinally proximal of a base of the distal prong; an elongate proximal prong extending from the support body, the elongate proximal prong extending generally toward the distal end of the support body so that a tip of the proximal prong is longitudinally distal of a base of the proximal prong and the tip of the proximal prong is proximal of the tip of the distal prong; the prongs bent when in the expanded state so that a first portion of each prong adjacent the prongs base is bent outwardly relative to the longitudinal axis of the support and the prongs are further bent so that a second portion of the prong adjacent the prong tip is directed inwardly relative to the outwardly-bent first portion; the support body comprising a foreshortening portion between at least the tips of the distal and proximal prongs, the foreshortening portion configured to longitudinally shorten as the support body is radially expanded from the compacted state to the expanded state; wherein when the support body is radially expanded from the compacted state to the expanded state a longitudinal distance between the tips of the proximal and distal prongs decreases; and wherein when the support body is in the expanded state the distal prong extends generally radially outwardly from the support body and toward the proximal end of the support body, and the proximal prong extends generally radially outwardly from the support body and toward the distal end of the support body.
Claim 41
Dependent Claim
325 words
A support for a vascular prosthesis, comprising: a support body comprising an array of interconnected cells extending circumferentially around a longitudinal axis of the support, the support body having a proximal end and a distal end and being radially expandable from a compacted state to an expanded state; an elongate distal prong extending from the support body, the elongate distal prong extending generally toward the proximal end of the support body so that a tip of the distal prong is longitudinally proximal of a base of the distal prong; an elongate proximal prong extending from the support body, the elongate proximal prong extending generally toward the distal end of the support body so that a tip of the proximal prong is longitudinally distal of a base of the proximal prong and the tip of the proximal prong is proximal of the tip of the distal prong; the prongs bent when in the expanded state so that a first portion of each prong adjacent the prongs base is bent outwardly relative to the longitudinal axis of the support and the prongs are further bent so that a second portion of the prong adjacent the prong tip is directed inwardly relative to the outwardly-bent first portion; the support body comprising a foreshortening portion between at least the tips of the distal and proximal prongs, the foreshortening portion configured to longitudinally shorten as the support body is radially expanded from the compacted state to the expanded state; wherein when the support body is radially expanded from the compacted state to the expanded state a longitudinal distance between the tips of the proximal and distal prongs decreases; and wherein when the support body is in the expanded state the distal prong extends generally radially outwardly from the support body and toward the proximal end of the support body, and the proximal prong extends generally radially outwardly from the support body and toward the distal end of the support body.
Claim 42
Dependent Claim
42 words
The support of claim 36 , wherein the interconnected cells in the foreshortening portion are each defined by a plurality of interconnected struts, and wherein when the support body is radially expanded a shape of each cell in the foreshortening portion changes.
Claim 43
Dependent Claim
44 words
The support of claim 37 , wherein when the support body is in the compacted state the cells in the foreshortening portion are generally oval-shaped, and when the support body is in the expanded state the cells in the foreshortening portion are generally diamond-shaped.
Claim 44
Dependent Claim
74 words
The support of claim 36 , wherein the prongs are configured so that when the support body is radially expanded from the compacted state to the expanded state so that the longitudinal distance between the tips of the proximal and distal prongs decreases, body tissue in a space between the tips of the proximal and distal prongs is engaged by the prongs sufficient to form a stable connection between the support and the tissue.
Claim 45
Dependent Claim
19 words
The support of claim 39 , wherein the prongs exert a generally longitudinally-directed force on the tissue engaged therebetween.
Claim 46
Dependent Claim
49 words
The support of claim 40 additionally comprising a percutaneous replacement heart valve attached inside the support body, and the support is sized and configured so that the prongs axially engage tissue as the support is radially expanded so as to anchor the support within a native heart valve opening.
Claim 47
Dependent Claim
30 words
The support of claims 41 , wherein in the expanded state the second portions of the prongs are substantially straight and generally parallel to the longitudinal axis of the support.
Claim 48
Dependent Claim
33 words
The support of claim 42 , wherein in the expanded state the first portions of the prongs are substantially straight, and a second bend point is defined between the first and second portions.
Claim 49
Dependent Claim
21 words
The support of claim 36 , wherein the elongate distal prong extends from one of the cells in the foreshortening portion.
Claim 50
Dependent Claim
21 words
The support of claim 44 , wherein the elongate proximal prong extends from one of the cells in the foreshortening portion.
References Cited (Backward Citations)
GB2245495A
Cited
US5411552A
Cited
US5397355A
Cited
US5575818A
Cited
US6053940A
Cited
US6159237A
Cited
US5879381A
Cited
US5855601A
Cited
US6979350B2
Cited
US6015431A
Cited
US7585321B2
Cited
US6168616B1
Cited
US20070118206A1
Cited
US6113612A
Cited
US7018401B1
Cited
US6425916B1
Cited
US6511491B2
Cited
US6475237B2
Cited
US7018406B2
Cited
WO2001035870A1
Cited
US20040210304A1
Cited
US7329278B2
Cited
US20080133003A1
Cited
US6458153B1
Cited
US6767362B2
Cited
US6517573B1
Cited
US6352543B1
Cited
US6676698B2
Cited
US6482228B1
Cited
US6790230B2
Cited
US20040039436A1
Cited
WO2003092554A1
Cited
US20030220683A1
Cited
US20060212110A1
Cited
US20080269878A1
Cited
US7442204B2
Cited
US7429269B2
Cited
US7201772B2
Cited
WO2005011534A1
Cited
US20050096738A1
Cited
US20050154444A1
Cited
US7186265B2
Cited
US20050137682A1
Cited
US20080125859A1
Cited
US7445631B2
Cited
US20050137690A1
Cited
US20070162107A1
Cited
US20050137695A1
Cited
US7381219B2
Cited
US20050137701A1
Cited
US20070010876A1
Cited
US20050234546A1
Cited
WO2005087140A1
Cited
US20080243245A1
Cited
US20090264997A1
Cited
US20090076598A1
Cited
US20050283231A1
Cited
US20070255391A1
Cited
US20060195183A1
Cited
US20060265056A1
Cited
US20070213813A1
Cited
US20090005863A1
Cited
WO2007123658A1
Cited
US20090306768A1
Cited
US20080071363A1
Cited
US20080140189A1
Cited
WO2008091515A2
Cited
US20080208328A1
Cited
US20080221672A1
Cited
US20090138079A1
Cited
US20110022157A1
Cited
US20090287299A1
Cited
US20090248133A1
Cited
US20090248132A1
Cited
US20100036479A1
Cited
US20100082094A1
Cited
US20100082089A1
Cited
US20100298931A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2015-01-09 | 2015-07-11 | 2016-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2019-01-09 | 2019-07-11 | 2020-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2023-01-09 | 2023-07-11 | 2024-01-10 | $7700.00 | Window Closed / Lapsed |