US1774636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric lock
Assignee: Individual
•
Filing: 1927-07-23
•
Granted: 1930-09-02
•
Expires: 1947-07-23
Abstract
No abstract record available.
Inventors
- 👤 Cook Albert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:12
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/06; E05B47/0607; E05B47/0001; E05B47/0002; E05B2047/0007; E05B47/0006; E05B63/00; E05B63/18; Y; Y10; Y10S; Y10S70/00; Y10S70/49; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/713
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1933-09-01 | 1934-03-03 | 1934-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1937-09-01 | 1938-03-03 | 1938-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1941-09-01 | 1942-03-03 | 1942-09-02 | $7700.00 | Window Closed / Lapsed |