US2426301A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch for contactors
Assignee: Westinghouse Electric Corp
•
Filing: 1942-09-15
•
Granted: 1947-08-26
•
Expires: 1962-09-15
Abstract
No abstract record available.
Inventors
- 👤 Ellis Delbert
- 👤 Owen L Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30; Y; Y10; Y10T; Y10T74/00; Y10T74/11; Y10T74/20; Y10T74/20576; Y10T74/20636
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US814501A
Cited
US1474344A
Cited
US2353406A
Cited
US2351607A
Cited
US2342816A
Cited
US2372140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-08-25 | 1951-02-24 | 1951-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-08-25 | 1955-02-24 | 1955-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-08-25 | 1959-02-24 | 1959-08-26 | $7700.00 | Window Closed / Lapsed |