Patent US3297033A successfully refreshed from Google Patents.
US3297033A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical sutures
Assignee: Wyeth Holdings LLC
•
Filing: 1963-10-31
•
Granted: 1967-01-10
•
Expires: 1983-10-31
Abstract
No abstract record available.
Inventors
- 👤 Schmitt Edward Emil
- 👤 Polistina Rocco Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:56
CPC Classifications
D; D01; D01F; D01F6/00; D01F6/58; D01F6/62; D01F6/625; A; A61; A61B; A61B17/00; A61B17/04; A61B17/06; A61B17/06166; A61F; A61F2/00; A61F2/02; A61F2/04; A61F2/06; A61L; A61L17/00; A61L17/06; A61L17/10; A61L17/12; A61L17/14; A61L31/00; A61L31/04; A61L31/06; C; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; A61B2017/00004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN A SURGICAL NEEDLE AND SUTURE COMBINATION THE IMPROVEMENT COMPRISING A SUTURE OF AT LEAST ONE FILAMENT OF STRETCHED AND ORIENTED NORMALLY SOLID POLYHYDROXYACETIC ESTER, SAID NEEDLE AND SUTURE BEING STERILE, AND THE POLYHYDROXYACETIC ESTER HAVING SUFFICIENT HEAT RESISTANCE TO WITHSTAND AUTOCLAVING, GOOD KNOTABILITY, GOOD KNOT STRENGTH, AND GOOD HANDLEABILITY, THE TOTAL DENIER OF THE SUTURE BEING FROM 1 TO 4,000.
Claim 2
Dependent Claim
61 words
IN A SURGICAL NEEDLE AND SUTURE COMBINATION THE IMPROVEMENT COMPRISING A SUTURE OF AT LEAST ONE FILAMENT OF STRETCHED AND ORIENTED NORMALLY SOLID POLYHYDROXYACETIC ESTER, SAID NEEDLE AND SUTURE BEING STERILE, AND THE POLYHYDROXYACETIC ESTER HAVING SUFFICIENT HEAT RESISTANCE TO WITHSTAND AUTOCLAVING, GOOD KNOTABILITY, GOOD KNOT STRENGTH, AND GOOD HANDLEABILITY, THE TOTAL DENIER OF THE SUTURE BEING FROM 1 TO 4,000.
References Cited (Backward Citations)
US2615450A
Cited
US2676945A
Cited
US2764159A
Cited
US2870906A
Cited
US2909177A
Cited
US3044942A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |