Patent US2943168A successfully refreshed from Google Patents.
US2943168A
Expired / Lapsed
US
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Circuit breakers
Assignee: Federal Pacific Electric Co
•
Filing: 1957-09-16
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Granted: 1960-06-28
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Expires: 1977-09-16
Abstract
No abstract record available.
Inventors
- 👤 Donald C Mills
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:59
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; H01; H01H; H01H3/00; H01H3/22; H01H3/30; H01H3/3031
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2053373A
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US2413130A
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US2601482A
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US2657283A
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US2648234A
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GB731280A
Cited
US2813950A
Cited
US2775670A
Cited
US2851556A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-28 | 1963-12-28 | 1964-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-28 | 1967-12-28 | 1968-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-28 | 1971-12-28 | 1972-06-28 | $7700.00 | Window Closed / Lapsed |