US1876193A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lock mechanism for safes
Assignee: Unisys Corp
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Filing: 1931-02-17
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Granted: 1932-09-06
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Expires: 1951-02-17
Abstract
No abstract record available.
Inventors
- 👤 Carl F Wolters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:37
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/0075; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5296; Y10T70/5319; Y10T70/5336; Y10T70/70; Y10T70/7153; Y10T70/7181; Y10T70/7198; Y10T70/7237; Y10T70/7243; Y10T70/7249; Y10T70/735; Y10T70/7367; Y10T70/7373
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) | 1935-09-06 | 1936-03-07 | 1936-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-09-06 | 1940-03-07 | 1940-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-09-06 | 1944-03-07 | 1944-09-06 | $7700.00 | Window Closed / Lapsed |