US2923795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-pole circuit breakers
Assignee: Federal Pacific Electric Co
•
Filing: 1957-07-03
•
Granted: 1960-02-02
•
Expires: 1977-07-03
Abstract
No abstract record available.
Inventors
- 👤 Paul S Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:17
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1009; H01H71/50; H01H71/52; H01H71/529
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE18894E
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US1622907A
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US2175859A
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US2222312A
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US2248387A
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US2294838A
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US2551397A
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US2662948A
Cited
US2662949A
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US2811605A
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US2813168A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |