US2941834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism
Assignee: GREER MARINE Corp
•
Filing: 1956-05-25
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Granted: 1960-06-21
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Expires: 1976-05-25
Abstract
No abstract record available.
Inventors
- 👤 Bernard S Appleton
- 👤 Barth Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 14:57
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; B; B63; B63B; B63B19/00; B63B19/12; B63B19/24; E05B; E05B15/00; E05B15/02; E05B15/0205; E05B15/024; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/087; Y10T292/0871; Y10T292/68; Y10T292/705; Y10T292/707; Y10T403/00; Y10T403/59; Y10T403/591; Y10T403/595
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US834461A
Cited
US1022222A
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US1179645A
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US1610342A
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US2094119A
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US2439036A
Cited
US2679417A
Cited
US2791455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |