US1983446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary bolt lock
Assignee: Independent Lock Co
•
Filing: 1931-09-14
•
Granted: 1934-12-04
•
Expires: 1951-09-14
Abstract
No abstract record available.
Inventors
- 👤 Falk Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:21
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/123; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/437; Y10T70/446; Y10T70/452; Y10T70/457; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5208; Y10T70/5212; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279; Y10T70/5296; Y10T70/5319; Y10T70/5327
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) | 1937-12-03 | 1938-06-04 | 1938-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-12-03 | 1942-06-04 | 1942-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-12-03 | 1946-06-04 | 1946-12-04 | $7700.00 | Window Closed / Lapsed |