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Patent US2909629A successfully refreshed from Google Patents.
US2909629A
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Motor spring operating mechanism for oil circuit breakers
Assignee: ITE Circuit Breaker Co
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Filing: 1957-07-02
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Granted: 1959-10-20
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Expires: 1977-07-02
Abstract
No abstract record available.
Inventors
- 👤 James R Mccloud
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:36
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/22; H01H3/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1272445A
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US1771421A
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US2145141A
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US1841090A
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US2441412A
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US2492762A
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US2581181A
Cited
GB709930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |