US3798771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wide blade dental implant
Assignee: Individual
•
Filing: 1971-06-25
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Granted: 1974-03-26
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Expires: 1991-06-25
Abstract
Abstract An improved dental implant comprising an implant portion for implanting in a jaw bone, a head portion for supporting a dental attachment, and a neck integrally connecting said head portion with said implant portion, said implant portion being in the form of a comparatively thin blade having a shoulder edge from which said neck projects and an opposite free edge, said shoulder edge being interrupted on at least one side of said neck by an aperture through said blade, and shoulder means interposed between said neck and said aperture for retarding the growth of gum tissue along said neck into said aperture.
Inventors
- 👤 A Edelman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:40
CPC Classifications
A; A61; A61C; A61C8/00; A61C8/0018; A61C8/0019; A61C8/0021
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
195 words
An improved dental implant comprising an implant portion, at least one head portion and at least one neck integrally connecting said one head portion with said implant portion, said implant portion being in the form of a comparatively thin blade having a sharpened free edge, a shoulder edge opposite to said free edge, and opposite side edges connecting said free edge and said shoulder edge, said neck projecting from said shoulder edge oppositely from said free edge, said shoulder edge being interrupted by at least one aperture through said blade on at least one side of said neck and extending in the direction of said free edge, a shoulder portion extending from said neck to said aperture, said blade being symmetrically shaped with a single neck projecting from the midportion of said shoulder edge, a pair of apertures through said blade portion being provided which interrupt said shoulder edge, each aperture of said pair of apertures being located on an opposite side of said neck from the other aperture of said pair, and a pair of removable caps each removably secured to said shoulder edge and bridging a different aperture of said pair of apertures.
Claim 2
Dependent Claim
195 words
An improved dental implant comprising an implant portion, at least one head portion and at least one neck integrally connecting said one head portion with said implant portion, said implant portion being in the form of a comparatively thin blade having a sharpened free edge, a shoulder edge opposite to said free edge, and opposite side edges connecting said free edge and said shoulder edge, said neck projecting from said shoulder edge oppositely from said free edge, said shoulder edge being interrupted by at least one aperture through said blade on at least one side of said neck and extending in the direction of said free edge, a shoulder portion extending from said neck to said aperture, said blade being symmetrically shaped with a single neck projecting from the midportion of said shoulder edge, a pair of apertures through said blade portion being provided which interrupt said shoulder edge, each aperture of said pair of apertures being located on an opposite side of said neck from the other aperture of said pair, and a pair of removable caps each removably secured to said shoulder edge and bridging a different aperture of said pair of apertures.
Claim 3
Dependent Claim
23 words
The dental implant set forth in claim 1 wherein said caps are channel shaped and frictionally engage said blade over said shoulder edge.
Claim 4
Dependent Claim
23 words
The dental implant set forth in claim 2 wherein said caps have recesses therein for receiving the end of a force applying tool.
Claim 5
Dependent Claim
87 words
The dental implant set forth in claim 1 wherein said caps each comprise a flat bar having ears projecting from opposite edges of said bar near one end and an aperture through said bar at its other end, each bar being positioned over a respective one of said apertures with the ears straddling said shoulder portion and the flat apertured end overlying said shoulder edge on the side of said aperture opposite said shoulder portion, and removable fastening means extending through said aperture and engaging said blade.
References Cited (Backward Citations)
US693884A
Cited
US2721387A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-03-25 | 1977-09-24 | 1978-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-25 | 1981-09-24 | 1982-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-25 | 1985-09-24 | 1986-03-26 | $7700.00 | Window Closed / Lapsed |