Patent US2934623A successfully refreshed from Google Patents.
US2934623A
Expired / Lapsed
US
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Combination circuit breakers
Assignee: Federal Pacific Electric Co
•
Filing: 1956-06-11
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Granted: 1960-04-26
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Expires: 1976-06-11
Abstract
No abstract record available.
Inventors
- 👤 Paul M Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:44
CPC Classifications
H; H01; H01R; H01R13/00; H01R13/66; H01R13/70; H01H; H01H71/00; H01H71/02; H01H71/0264; H01H71/08; H01R13/707; H02; H02B; H02B1/00; H02B1/015; H02B1/04; H02B1/044; H02B1/048
Claims Analysis
Total Claims: 0
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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) | 1963-04-26 | 1963-10-26 | 1964-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-26 | 1967-10-26 | 1968-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-26 | 1971-10-26 | 1972-04-26 | $7700.00 | Window Closed / Lapsed |