Patent US1977853A successfully refreshed from Google Patents.
US1977853A
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Assignee: KEMP LOCK Inc
•
Filing: 1930-10-11
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Granted: 1934-10-23
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Expires: 1950-10-11
Abstract
No abstract record available.
Inventors
- 👤 Kemp Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 09:46
CPC Classifications
E; E05; E05B; E05B63/00; E05B63/12; E05B63/126; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5204; Y10T70/5208; Y10T70/5246; Y10T70/5248; Y10T70/527; Y10T70/5279
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) | 1937-10-22 | 1938-04-23 | 1938-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-10-22 | 1942-04-23 | 1942-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-10-22 | 1946-04-23 | 1946-10-23 | $7700.00 | Window Closed / Lapsed |