US1085347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromagnetic lock.
Assignee: Individual
•
Filing: 1912-11-29
•
Granted: 1914-01-27
•
Expires: 1932-11-29
Abstract
No abstract record available.
Inventors
- 👤 Louis Leandre Leduc
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:51
CPC Classifications
E; E05; E05B; E05B47/00; E05B47/0001; E05B47/0002; Y; Y10; Y10T; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/1014; Y10T292/1021; Y10T292/68
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) | 1917-01-26 | 1917-07-28 | 1918-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1921-01-26 | 1921-07-28 | 1922-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1925-01-26 | 1925-07-28 | 1926-01-27 | $7700.00 | Window Closed / Lapsed |