Patent US3477423A successfully refreshed from Google Patents.
US3477423A
Expired / Lapsed
US
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Biopsy instrument
Assignee: OMNIS SURGICAL Inc A DE CORP
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Filing: 1967-01-09
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Granted: 1969-11-11
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Expires: 1987-01-09
Abstract
No abstract record available.
Inventors
- 👤 Lionell K Griffith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:32
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0233; A61B10/0266; A61B10/0275
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US614760A
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US1339692A
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US1585934A
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US1867624A
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US2496111A
Cited
US2705949A
Cited
US3001522A
Cited
FR1267960A
Cited
US3175554A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |