Patent US3160157A successfully refreshed from Google Patents.
US3160157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical needle
Assignee: Ethicon Inc
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Filing: 1962-03-29
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Granted: 1964-12-08
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Expires: 1982-03-29
Abstract
No abstract record available.
Inventors
- 👤 Gladys J Chisman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/04; A61B17/06; A61B17/06066; A61B17/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A CURVED SURGICAL NEEDLE HAVING CONVEX AND CONCAVE SURFACES POINTED AT ONE END, THE OTHER END OF WHICH IS ADAPTED TO RECEIVE A SUTURE; SAID NEEDLE BEING AROUND IN CROSS-SECTION AND HAVING FLATTENED AREAS ON THE CONVEX AND CONCAVE SURFACES THEREOF EXTENDING SUBSTANTIALLY THE ENTIRE DISTANCE BETWEEN THE NEEDLE POINT AND THE NEEDLE LONGITUDINAL RIB POSITIONED ON EACH OF SAID FLATTENED AREAS AND EXTENDING THE LENGTH THEREOF; THE SIZE OF SAID LONGITUDINAL RIBS BEING SUCH AS TO ENGAGE THE SERRATIONS ON A NEEDLE HOLDER WHEREBY ROCKING AND TURNING OF THE NEEDLE IN THE HOLDER IS MINIMIZED.
Claim 2
Dependent Claim
96 words
A CURVED SURGICAL NEEDLE HAVING CONVEX AND CONCAVE SURFACES POINTED AT ONE END, THE OTHER END OF WHICH IS ADAPTED TO RECEIVE A SUTURE; SAID NEEDLE BEING AROUND IN CROSS-SECTION AND HAVING FLATTENED AREAS ON THE CONVEX AND CONCAVE SURFACES THEREOF EXTENDING SUBSTANTIALLY THE ENTIRE DISTANCE BETWEEN THE NEEDLE POINT AND THE NEEDLE LONGITUDINAL RIB POSITIONED ON EACH OF SAID FLATTENED AREAS AND EXTENDING THE LENGTH THEREOF; THE SIZE OF SAID LONGITUDINAL RIBS BEING SUCH AS TO ENGAGE THE SERRATIONS ON A NEEDLE HOLDER WHEREBY ROCKING AND TURNING OF THE NEEDLE IN THE HOLDER IS MINIMIZED.
References Cited (Backward Citations)
US2074942A
Cited
US2516710A
Cited
FR1143980A
Cited
US2841150A
Cited
US3038475A
Cited
US3060937A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-08 | 1968-06-08 | 1968-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-08 | 1972-06-08 | 1972-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-08 | 1976-06-08 | 1976-12-08 | $7700.00 | Window Closed / Lapsed |