US2854546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compensated circuit breakers
Assignee: Federal Pacific Electric Co
•
Filing: 1955-01-10
•
Granted: 1958-09-30
•
Expires: 1975-01-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Cole
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:50
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2179811A
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US2416170A
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US2425983A
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US2703351A
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US2568423A
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US2653202A
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US2666828A
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US2656440A
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US2681396A
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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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |