US2434186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combined electromagnetic and thermal protective circuit breaker system
Assignee: Metals and Controls Corp
•
Filing: 1943-04-22
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Granted: 1948-01-06
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Expires: 1963-04-22
Abstract
No abstract record available.
Inventors
- 👤 Harold M Wilson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:22
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/14; H01H71/16; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H2037/5463; H01H3/00; H01H3/32; H01H3/50; H01H3/503
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US666764A
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US1488952A
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US1708789A
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US1761772A
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US1722741A
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US1919052A
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US2307776A
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US2335888A
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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) | 1951-01-05 | 1951-07-07 | 1952-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-01-05 | 1955-07-07 | 1956-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-01-05 | 1959-07-07 | 1960-01-06 | $7700.00 | Window Closed / Lapsed |