Patent US3485236A successfully refreshed from Google Patents.
US3485236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Biopsy specimen collecting and spreading device
Assignee: Becton Dickinson and Co
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Filing: 1965-12-09
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Granted: 1969-12-23
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Expires: 1985-12-09
Abstract
No abstract record available.
Inventors
- 👤 John K Frost
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:52
CPC Classifications
A; A61; A61B; A61B10/00; A61B10/02; A61B10/0291
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1669395A
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US2471088A
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US2603809A
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US2514665A
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US2505358A
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US2827039A
Cited
US3088454A
Cited
FR1324126A
Cited
US3114165A
Cited
US3315661A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |