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US2891124A
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Thermostatic electric circuit-breakers
Assignee: Individual
•
Filing: 1957-10-04
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Granted: 1959-06-16
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Expires: 1977-10-04
Abstract
No abstract record available.
Inventors
- 👤 Victor G Vaughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:34
CPC Classifications
H; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H2037/5463
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1693379A
Cited
US1772442A
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US2196151A
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US2388113A
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US2279214A
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US2618720A
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US2771528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-06-15 | 1962-12-15 | 1963-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-15 | 1966-12-15 | 1967-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-15 | 1970-12-15 | 1971-06-16 | $7700.00 | Window Closed / Lapsed |