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US2934624A
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Bi-directionally releasable circuit breaker
Assignee: Wadsworth Electric Manufacturing Co
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Filing: 1957-02-25
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Granted: 1960-04-26
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Expires: 1977-02-25
Abstract
No abstract record available.
Inventors
- 👤 William H Middendorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:10
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/1027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1955327A
Cited
US2094965A
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US2263208A
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US2318085A
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US2667548A
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US2692926A
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US2824191A
Cited
US2779831A
Cited
US2923795A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |