Patent US3404677A successfully refreshed from Google Patents.
US3404677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biopsy and tissue removing device
Assignee: Individual
•
Filing: 1965-07-08
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Granted: 1968-10-08
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Expires: 1985-07-08
Abstract
No abstract record available.
Inventors
- 👤 Henry A Springer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:50
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/28; A61B17/29; A61B10/00; A61B10/02; A61B10/06; A61B17/30; A61B17/2909; A61B2017/2911; A61B2017/2912; A61B2017/2924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1274669A
Cited
US1867624A
Cited
US2002594A
Cited
US2778357A
Cited
US3001522A
Cited
US2994321A
Cited
US3074408A
Cited
US3175554A
Cited
FR1378088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-08 | 1972-04-08 | 1972-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-08 | 1976-04-08 | 1976-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-08 | 1980-04-08 | 1980-10-08 | $7700.00 | Window Closed / Lapsed |