US2271966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetically controlled lock
Assignee: JULIUS FEIN
•
Filing: 1941-05-26
•
Granted: 1942-02-03
•
Expires: 1961-05-26
Abstract
No abstract record available.
Inventors
- 👤 Lucien J Baribault
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:04
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; E05B17/00; E05B17/20; E05B17/2007; E05B17/2011; E05B47/06; E05B47/0603; E05B47/0006; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T292/1022; Y10T292/1031; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/55; Y10T70/70; Y10T70/7051; Y10T70/7062; Y10T70/713
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) | 1945-02-02 | 1945-08-04 | 1946-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-02 | 1949-08-04 | 1950-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-02 | 1953-08-04 | 1954-02-03 | $7700.00 | Window Closed / Lapsed |