US3332746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pulsatile membrane oxygenator apparatus
Assignee: Single Cell Research Foundation Inc
•
Filing: 1963-03-29
•
Granted: 1967-07-25
•
Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
- 👤 Claff Clarence Lloyd
- 👤 Armand A Crescenzi
- 👤 Peter F Ippolito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:08
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/14; A61M1/16; A61M1/1698; B; B01; B01D; B01D63/00; B01D63/08; B01D63/082; B01D63/0822; A61M1/36; A61M1/3621; A61M1/3623; B01D2313/00; B01D2313/02; B01D2313/18; B01D2313/22; B01D2313/221; B01D2313/26; Y; Y10; Y10S; Y10S159/00; Y10S159/27
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
162 words
A MULTIPLE STAGE FLAT PRESS TYPE MEMBRANE APPARATUS WHICH COMPRISES IN COMBINATION A PLURALITY OF STACKED FLAT UNITS DISPOSED IN A STACKED RELATIONSHIP BETWEEN COVER MEMBER EACH UNIT COMPRISING: A MEMBRANE ENVELOPE INCLUDING A FIRST INLET AND FIRST OUTLET MEANS TO INTRODUCE INTO AND WITHDRAW FROM THE ENVELOPE A FIRST FLUID; A PAIR OF PLATE MEMBERS DISPOSED ADJACENT TO EITHER SURFACE OF THE MEMBRANE ENVELOPE, AT LEAST ONE OF THE PLATE MEMBERS INCLUDING A DISPLACEABLE SECTION ADJACENT THE SURFACE OF THE MEMBRANE ENVELOPE; SECOND INLET MEANS AND SECOND OUTLET MEANS TO INTRODUCE AND WITHDRAW FROM BETWEEN THE DISPLACEABLE SECTION OF THE PLATE MEMBER AND THE ADJACENT SURFACE OF THE ENVELOPE A SECOND FLUID; MEANS TO HOLD AND SUPPORT THE PLATE MEMBER AND MEMBRANE ENVELOPE IN A FLAT STACKED RELATIONSHIP; AND MEANS TO CONTROL THE DISPLACEMENT OF THE DISPLACEABLE SECTION OF THE PLATE MEMBER A PREDETERMINED AMOUNT AWAY FROM THE ADJACENT SURFACE OF THE MEMBRANE ENVELOPE UPON THE INTRODUCTION OF THE SECOND FLUID.
Claim 2
Dependent Claim
162 words
A MULTIPLE STAGE FLAT PRESS TYPE MEMBRANE APPARATUS WHICH COMPRISES IN COMBINATION A PLURALITY OF STACKED FLAT UNITS DISPOSED IN A STACKED RELATIONSHIP BETWEEN COVER MEMBER EACH UNIT COMPRISING: A MEMBRANE ENVELOPE INCLUDING A FIRST INLET AND FIRST OUTLET MEANS TO INTRODUCE INTO AND WITHDRAW FROM THE ENVELOPE A FIRST FLUID; A PAIR OF PLATE MEMBERS DISPOSED ADJACENT TO EITHER SURFACE OF THE MEMBRANE ENVELOPE, AT LEAST ONE OF THE PLATE MEMBERS INCLUDING A DISPLACEABLE SECTION ADJACENT THE SURFACE OF THE MEMBRANE ENVELOPE; SECOND INLET MEANS AND SECOND OUTLET MEANS TO INTRODUCE AND WITHDRAW FROM BETWEEN THE DISPLACEABLE SECTION OF THE PLATE MEMBER AND THE ADJACENT SURFACE OF THE ENVELOPE A SECOND FLUID; MEANS TO HOLD AND SUPPORT THE PLATE MEMBER AND MEMBRANE ENVELOPE IN A FLAT STACKED RELATIONSHIP; AND MEANS TO CONTROL THE DISPLACEMENT OF THE DISPLACEABLE SECTION OF THE PLATE MEMBER A PREDETERMINED AMOUNT AWAY FROM THE ADJACENT SURFACE OF THE MEMBRANE ENVELOPE UPON THE INTRODUCTION OF THE SECOND FLUID.
Claim 3
Dependent Claim
19 words
AN ARTICLE OF MANUFACTURE COMPRISING: A SUPPORT FRAME; A DISPLACEABLE FLAT PLATE MEMBER MARGINALLY SECURED TO THE SUPPORT FRAME;
Claim 4
Dependent Claim
19 words
AN ARTICLE OF MANUFACTURE COMPRISING: A SUPPORT FRAME; A DISPLACEABLE FLAT PLATE MEMBER MARGINALLY SECURED TO THE SUPPORT FRAME;
References Cited (Backward Citations)
US1849622A
Cited
US2407303A
Cited
US2568990A
Cited
US2652831A
Cited
US3074559A
Cited
US3034505A
Cited
US3060934A
Cited
US3255816A
Cited
US3212498A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |