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US3406691A
Expired / Lapsed
US
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Surgical appliances
Assignee: Individual
•
Filing: 1965-10-27
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Granted: 1968-10-22
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Expires: 1985-10-27
Abstract
No abstract record available.
Inventors
- 👤 Edward L Kettenbach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:37
CPC Classifications
A; A61; A61M; A61M27/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE462674C
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US1596754A
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US1711294A
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US2046094A
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US2707471A
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US2812758A
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US3102541A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |