Patent US2419892A successfully refreshed from Google Patents.
US2419892A
Expired / Lapsed
US
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Circuit breaker-balanced armature
Assignee: ITE Circuit Breaker Co
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Filing: 1943-10-12
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Granted: 1947-04-29
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Expires: 1963-10-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert C Graves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:52
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/1054
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US570212A
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US1123288A
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US1425700A
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US1652550A
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US2083475A
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US2134951A
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US2088174A
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US2067797A
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US2165037A
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US2178083A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-04-28 | 1950-10-28 | 1951-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-04-28 | 1954-10-28 | 1955-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-04-28 | 1958-10-28 | 1959-04-29 | $7700.00 | Window Closed / Lapsed |