Patent US2945490A successfully refreshed from Google Patents.
US2945490A
Expired / Lapsed
US
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Surgical instrument for cervical biopsy
Assignee: Individual
•
Filing: 1958-02-25
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Granted: 1960-07-19
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Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 George W Westcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:02
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0291; Y; Y10; Y10T; Y10T408/00; Y10T408/89; Y10T408/896
Claims Analysis
Total Claims: 0
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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) | 1963-07-19 | 1964-01-18 | 1964-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-19 | 1968-01-18 | 1968-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-19 | 1972-01-18 | 1972-07-19 | $7700.00 | Window Closed / Lapsed |