US2586429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breaker operating mechanism
Assignee: Westinghouse Electric Corp
•
Filing: 1947-07-05
•
Granted: 1952-02-19
•
Expires: 1967-07-05
Abstract
No abstract record available.
Inventors
- 👤 John K Hodnette
- 👤 Merrill G Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:51
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/50; H01H71/505
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2169586A
Cited
US2284825A
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US2210262A
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US2240189A
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US2318279A
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US2306090A
Cited
US2306235A
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US2501363A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |