US2836685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic blowout switch
Assignee: Schneider Electric USA Inc
•
Filing: 1955-05-26
•
Granted: 1958-05-27
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Dorn L Pettit
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:20
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/30; H01H9/44; H01H9/443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1348842A
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US2239031A
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US2200108A
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US2304972A
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US2332446A
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US2340682A
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US2518480A
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US2575060A
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US2611059A
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US2692318A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |