US2458046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Key controlled lock
Assignee: Individual
•
Filing: 1947-08-26
•
Granted: 1949-01-04
•
Expires: 1967-08-26
Abstract
No abstract record available.
Inventors
- 👤 Audet Esdras
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 01:04
CPC Classifications
E; E05; E05B; E05B67/00; E05B67/36; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1022; Y10T292/1028; Y10T70/00; Y10T70/30; Y10T70/333; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-01-04 | 1952-07-05 | 1953-01-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-01-04 | 1956-07-05 | 1957-01-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-01-04 | 1960-07-05 | 1961-01-04 | $7700.00 | Window Closed / Lapsed |