US3435825A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic collagen sutures
Assignee: Kendall Co
•
Filing: 1962-12-17
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Granted: 1969-04-01
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Expires: 1982-12-17
Abstract
No abstract record available.
Inventors
- 👤 Lawrence A Thoennes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:52
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/06; A61L17/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US542971A
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US987750A
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US2519404A
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US2475697A
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US2576576A
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US2640752A
Cited
US3093439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-31 | 1972-09-30 | 1973-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-31 | 1976-09-30 | 1977-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-31 | 1980-09-30 | 1981-04-01 | $7700.00 | Window Closed / Lapsed |