US2942083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit interrupters
Assignee: Westinghouse Electric Corp
•
Filing: 1956-12-24
•
Granted: 1960-06-21
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Eugene J Walker
- 👤 Howard E Reichert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:02
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/02; H01H73/18; H01H73/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2073965A
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US2140360A
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US2147419A
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US2133158A
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US2243038A
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US2215797A
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US2623141A
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US2244061A
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US2318298A
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US2363606A
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US2590543A
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US2632826A
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GB715121A
Cited
US2719203A
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GB732196A
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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) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |