Patent US2472233A successfully refreshed from Google Patents.
US2472233A
Expired / Lapsed
US
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Circuit breaker
Assignee: LOUIS V LUCIA
•
Filing: 1943-11-17
•
Granted: 1949-06-07
•
Expires: 1963-11-17
Abstract
No abstract record available.
Inventors
- 👤 Short Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:57
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1759395A
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US1946894A
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US1966051A
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US2092327A
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US2170426A
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US2283736A
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US2388620A
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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) | 1952-06-06 | 1952-12-06 | 1953-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-06-06 | 1956-12-06 | 1957-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-06-06 | 1960-12-06 | 1961-06-07 | $7700.00 | Window Closed / Lapsed |