US3451394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiating tanned and untanned collagen prosthesis with 5 to 25 megarads of ionizing radiation
Assignee: Ethicon Inc
•
Filing: 1961-04-04
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Granted: 1969-06-24
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Expires: 1981-04-04
Abstract
No abstract record available.
Inventors
- 👤 Lavon Dee Bechtol
- 👤 Charles Artandi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:44
CPC Classifications
A; A61; A61L; A61L15/00; A61L15/16; A61L15/22; A61L15/32; A61L15/325; A61L15/42; A61L15/425; A61L17/00; A61L17/06; A61L17/08; A61L27/00; A61L27/14; A61L27/22; A61L27/24; B; B01; B01J; B01J19/00; B01J19/08; B01J19/081; C; C07; C07K; C07K14/00; C07K14/435; C07K14/78; A61F; A61F2310/00; A61F2310/00005; A61F2310/00365; A61K; A61K38/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A METHOD OF PRODUCING A COLLAGEN PROSTHESIS SELECTED FROM THE GROUP CONSISTING OF COLLAGEN SUTURES AND COLLAGEN SPONGES, SAID COLLAGEN PROSTHESIS BEING CHARACTERIZED BY SPECIFIC ABSORPTION CHARACTERISTICS, WHICH COMPRISES THE STEPS OF: TANNING THE COLLAGEN PROSTHESIS; AND, EXPOSING THE TANNED COLLAGEN PROSTHESIS TO FORM 5 TO 25 MEGARADS OF IONIZING RADIATION.
Claim 2
Independent Claim
51 words
A METHOD OF PRODUCING A COLLAGEN PROSTHESIS SELECTED FROM THE GROUP CONSISTING OF COLLAGEN SUTURES AND COLLAGEN SPONGES, SAID COLLAGEN PROSTHESIS BEING CHARACTERIZED BY SPECIFIC ABSORPTION CHARACTERISTICS, WHICH COMPRISES THE STEPS OF: TANNING THE COLLAGEN PROSTHESIS; AND, EXPOSING THE TANNED COLLAGEN PROSTHESIS TO FORM 5 TO 25 MEGARADS OF IONIZING RADIATION.
References Cited (Backward Citations)
US2637321A
Cited
US2465357A
Cited
US2610625A
Cited
US2721941A
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US3043067A
Cited
US2937279A
Cited
US3046210A
Cited
US3157524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-23 | 1972-12-23 | 1973-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-23 | 1976-12-23 | 1977-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-23 | 1980-12-23 | 1981-06-24 | $7700.00 | Window Closed / Lapsed |