US3376869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical collagen film formed from random lengths of collagen tapes or strands
Assignee: Ethicon Inc
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Filing: 1964-02-21
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Granted: 1968-04-09
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Expires: 1984-02-21
Abstract
No abstract record available.
Inventors
- 👤 Borysko Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:28
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L15/325
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A COLLAGENOUS FILM FOR USE IN SURGICAL REPAIR OF SOFT BODY TISSUES HAVING A TEAR STRENGTH OF ABOUT 0.45 POUND PER MIL OF THICKNESS, COMPRISING A MULTIPLICITY OF COLLAGEN TAPES, EACH TAPE COMPOSED OF INDIVIDUAL COLLAGEN MONOFILAMENTS UNITED INTO A FLAT CONFIGURATION, SAID TAPES RANGING IN LENGTH FROM ABOUT 1 CENTIMETER TO ABOUT 3 METERS, RANDOMLY DISPOSED IN A PLANE PARALLEL TO THE SURFACE OF THE FILM; SAID TAPES INTERSECTING EACH OTHER AND BEING BONDED TOGETHER BY COLLAGEN FIBRILS AT THEIR CONTINGUOUS SURFACES FORM A UNITARY STRUCTURE.
Claim 2
Dependent Claim
87 words
A COLLAGENOUS FILM FOR USE IN SURGICAL REPAIR OF SOFT BODY TISSUES HAVING A TEAR STRENGTH OF ABOUT 0.45 POUND PER MIL OF THICKNESS, COMPRISING A MULTIPLICITY OF COLLAGEN TAPES, EACH TAPE COMPOSED OF INDIVIDUAL COLLAGEN MONOFILAMENTS UNITED INTO A FLAT CONFIGURATION, SAID TAPES RANGING IN LENGTH FROM ABOUT 1 CENTIMETER TO ABOUT 3 METERS, RANDOMLY DISPOSED IN A PLANE PARALLEL TO THE SURFACE OF THE FILM; SAID TAPES INTERSECTING EACH OTHER AND BEING BONDED TOGETHER BY COLLAGEN FIBRILS AT THEIR CONTINGUOUS SURFACES FORM A UNITARY STRUCTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |