Patent US2573306A successfully refreshed from Google Patents.
US2573306A
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US
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Electric circuit breaker
Assignee: General Electric Co
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Filing: 1948-08-11
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Granted: 1951-10-30
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Expires: 1968-08-11
Abstract
No abstract record available.
Inventors
- 👤 Robert T Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:23
CPC Classifications
H; H01; H01H; H01H71/00; H01H71/10; H01H71/12; H01H71/40; H01H71/405
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1177685A
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DE597445C
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US2027238A
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US2035743A
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US2184372A
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US2089716A
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US2265030A
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US2325717A
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US2424909A
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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) | 1954-10-29 | 1955-04-30 | 1955-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-29 | 1959-04-30 | 1959-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-29 | 1963-04-30 | 1963-10-30 | $7700.00 | Window Closed / Lapsed |