US2552427A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Remote control circuit breaker
Assignee: Forges et Ateliers de Constructions Electriques de Jeumont SA
•
Filing: 1947-03-07
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Granted: 1951-05-08
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Expires: 1967-03-07
Abstract
No abstract record available.
Inventors
- 👤 Heidmann Leon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 09:26
CPC Classifications
H; H01; H01H; H01H33/00; H01H33/02; H01H33/28; H01H33/36; H01H33/70; H01H33/88; H01H33/90; H01H33/91; H01H71/00; H01H71/10; H01H71/66; H01H71/70
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US900693A
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US1106116A
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US1272445A
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US1872382A
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US1771421A
Cited
US2034145A
Cited
US2240656A
Cited
US2275891A
Cited
US2300884A
Cited
US2347984A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-05-07 | 1954-11-06 | 1955-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-07 | 1958-11-06 | 1959-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-07 | 1962-11-06 | 1963-05-08 | $7700.00 | Window Closed / Lapsed |