US2725442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Circuit breakers
Assignee: Westinghouse Electric Corp
•
Filing: 1950-02-11
•
Granted: 1955-11-29
•
Expires: 1970-02-11
Abstract
No abstract record available.
Inventors
- 👤 Bernard G Tremblay
- 👤 William H Stuellein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:50
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054; Y; Y10; Y10T; Y10T74/00; Y10T74/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2177014A
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US2152453A
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US2246298A
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US2353406A
Cited
US2489085A
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US2515994A
Cited
US2549441A
Cited
US2523163A
Cited
US2542736A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-28 | 1959-05-30 | 1959-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-28 | 1963-05-30 | 1963-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-28 | 1967-05-30 | 1967-11-29 | $7700.00 | Window Closed / Lapsed |