Patent US3043940A successfully refreshed from Google Patents.
US3043940A
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Compressed-gas circuit interrupter
Assignee: Westinghouse Electric Corp
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Filing: 1958-01-10
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Granted: 1962-07-10
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Expires: 1978-01-10
Abstract
No abstract record available.
Inventors
- 👤 Winthrop M Leeds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:39
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/53; H01H33/56; B; B61; B61L; B61L3/00; B61L3/16; B61L3/22; H01H33/28; H01H33/30; H01H33/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2345724A
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US2367934A
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GB581236A
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GB582599A
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GB593230A
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US2670420A
Cited
US2665351A
Cited
DE933819C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |