Patent US2944552A successfully refreshed from Google Patents.
US2944552A
Expired / Lapsed
US
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Surgical instrument
Assignee: RICHARD B WILK
•
Filing: 1958-12-29
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Granted: 1960-07-12
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Expires: 1978-12-29
Abstract
No abstract record available.
Inventors
- 👤 Jack A Cannon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:50
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/32; A61B17/3205; A61B17/32053; A61B17/3207; A61B17/320708; A61B17/00008; A61B2017/320741
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US387454A
Cited
US1127948A
Cited
US1749919A
Cited
US2521161A
Cited
US2690750A
Cited
US2788787A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |