Patent US2814937A successfully refreshed from Google Patents.
US1793418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical lock
Assignee: Individual
•
Filing: 1930-05-08
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Granted: 1931-02-17
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Expires: 1950-05-08
Abstract
No abstract record available.
Inventors
- 👤 Frank X Schuhbauer
- 👤 George A Niklas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 04:08
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/05; E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; E05B2047/0007; E05B47/02; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/554; Y10T70/5544; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/7124
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) | 1934-02-16 | 1934-08-18 | 1935-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1938-02-16 | 1938-08-18 | 1939-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1942-02-16 | 1942-08-18 | 1943-02-17 | $7700.00 | Window Closed / Lapsed |