US2632075A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupter
Assignee: Westinghouse Electric Corp
•
Filing: 1947-01-04
•
Granted: 1953-03-17
•
Expires: 1967-01-04
Abstract
No abstract record available.
Inventors
- 👤 Herbert L Rawlins
- 👤 Robert C Dickinson
- 👤 Russell E Frink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:50
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US428650A
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US463762A
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DE556524C
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US938740A
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US1164257A
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US1681473A
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US1851238A
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US1879958A
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US1872387A
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US1904463A
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US1922060A
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US1963643A
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US2242905A
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US2290708A
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US2276859A
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US2372045A
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US2417683A
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US2468422A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |