US2372140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch mechanism
Assignee: Westinghouse Electric Corp
•
Filing: 1943-06-30
•
Granted: 1945-03-20
•
Expires: 1963-06-30
Abstract
No abstract record available.
Inventors
- 👤 Roswell C Van Sickle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/505; H01H2071/506; Y; Y10; Y10T; Y10T74/00; Y10T74/11
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) | 1948-03-19 | 1948-09-18 | 1949-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-03-19 | 1952-09-18 | 1953-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-03-19 | 1956-09-18 | 1957-03-20 | $7700.00 | Window Closed / Lapsed |