Patent US2909711A successfully refreshed from Google Patents.
US2909711A
Expired / Lapsed
US
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Electric lock mechanism
Assignee: Individual
•
Filing: 1954-07-19
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Granted: 1959-10-20
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Expires: 1974-07-19
Abstract
No abstract record available.
Inventors
- 👤 James T Neville
- 👤 Della M Neville
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:41
CPC Classifications
G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00674; G07C9/00682; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7068; Y10T70/7085; Y10T70/709
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1805167A
Cited
US1905965A
Cited
US2436809A
Cited
US2561076A
Cited
US2677814A
Cited
US2762952A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |