US2288688A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic lock
Assignee: Individual
•
Filing: 1939-08-05
•
Granted: 1942-07-07
•
Expires: 1959-08-05
Abstract
No abstract record available.
Inventors
- 👤 Dubilier William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:49
CPC Classifications
A; A45; A45C; A45C13/00; A45C13/10; A45C13/1069; Y; Y10; Y10S; Y10S206/00; Y10S206/818; Y10S211/00; Y10S211/01; Y10S292/00; Y10S292/50; Y10S403/00; Y10S403/01; Y10S7/00; Y10S7/901; Y10T; Y10T24/00; Y10T24/32; Y10T292/00; Y10T292/08; Y10T292/096; Y10T292/0999; Y10T292/1014; Y10T292/1021; Y10T292/11; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1945-07-06 | 1946-01-05 | 1946-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-07-06 | 1950-01-05 | 1950-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-07-06 | 1954-01-05 | 1954-07-07 | $7700.00 | Window Closed / Lapsed |