Patent US3276448A successfully refreshed from Google Patents.
US3276448A
Expired / Lapsed
US
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Collagen coated fabric prosthesis
Assignee: Ethicon Inc
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Filing: 1962-12-14
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Granted: 1966-10-04
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Expires: 1982-12-14
Abstract
No abstract record available.
Inventors
- 👤 Richard L Kronenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
A; A61; A61F; A61F2/00; A61F2/0063; A61L; A61L27/00; A61L27/28; A61L27/34; Y; Y10; Y10S; Y10S623/00; Y10S623/92; Y10S623/921
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A SURGICAL PROSTHESIS COMPRISING: A POROUS FABRIC OF NON-ABSORBABLE INTERLOCKING FIBERS; SAID FIBERS BEING COATED WITH COLLAGEN FIBRILS THROUGHOUT THEIR AREA OF CONTACT ONLY, WHEREBY THE PORES OF THE FABRIC ARE OPEN TO THE RAPID INGROWTH OF BODY TISSUE THROUGH THE PROSTHESIS.
Claim 2
Dependent Claim
42 words
A SURGICAL PROSTHESIS COMPRISING: A POROUS FABRIC OF NON-ABSORBABLE INTERLOCKING FIBERS; SAID FIBERS BEING COATED WITH COLLAGEN FIBRILS THROUGHOUT THEIR AREA OF CONTACT ONLY, WHEREBY THE PORES OF THE FABRIC ARE OPEN TO THE RAPID INGROWTH OF BODY TISSUE THROUGH THE PROSTHESIS.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |