Patent US2922008A successfully refreshed from Google Patents.
US2922008A
Expired / Lapsed
US
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Circuit breaker
Assignee: Westinghouse Electric Corp
•
Filing: 1957-07-31
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Granted: 1960-01-19
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Expires: 1977-07-31
Abstract
No abstract record available.
Inventors
- 👤 Albert R Cellerini
- 👤 Robert H Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:26
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H71/162; H01H71/164
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2047739A
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GB436010A
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US2401005A
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US2445426A
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US2508178A
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US2486300A
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FR947641A
Cited
US2625625A
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US2653202A
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US2666828A
Cited
US2656440A
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US2795670A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |