Patent US2547970A successfully refreshed from Google Patents.
US1695518A
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US
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Electric lock
Assignee: Individual
•
Filing: 1927-10-10
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Granted: 1928-12-18
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Expires: 1947-10-10
Abstract
No abstract record available.
Inventors
- 👤 Glenn W Watson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:23
CPC Classifications
E; E05; E05B; E05B19/00; E05B19/0017; E05B27/00; E05B27/0003; E05B27/0017; E05B47/00; E05B47/06; E05B47/0611; E05B47/0619; E05B47/0623; G; G07; G07C; G07C9/00; G07C9/00174; G07C9/00658; G07C9/00706; E05B47/0001; E05B47/0002; E05B47/0003; E05B47/0004; Y; Y10; Y10T; Y10T70/00; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7441; Y10T70/7486; Y10T70/7508; Y10T70/7559; Y10T70/7588; Y10T70/7593; Y10T70/7599; Y10T70/7605; Y10T70/778; Y10T70/7791; Y10T70/7904
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) | 1931-12-18 | 1932-06-18 | 1932-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1935-12-18 | 1936-06-18 | 1936-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1939-12-18 | 1940-06-18 | 1940-12-18 | $7700.00 | Window Closed / Lapsed |