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US2473196A
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US
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Combined thermal-magnetic circuit breaker
Assignee: Individual
•
Filing: 1943-11-13
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Granted: 1949-06-14
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Expires: 1963-11-13
Abstract
No abstract record available.
Inventors
- 👤 Dannenberg Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:33
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/10; H01H71/00; H01H71/10; H01H71/12; H01H71/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US327499A
Cited
US433022A
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US585030A
Cited
GB190902733A
Cited
US1212146A
Cited
US2114845A
Cited
US2306153A
Cited
US2330690A
Cited
US2385658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-06-13 | 1952-12-13 | 1953-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-13 | 1956-12-13 | 1957-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-13 | 1960-12-13 | 1961-06-14 | $7700.00 | Window Closed / Lapsed |