Patent US4388137A successfully refreshed from Google Patents.
US2471815A
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US
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Electric switch
Assignee: General Electric Co
•
Filing: 1946-01-03
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Granted: 1949-05-31
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Expires: 1966-01-03
Abstract
No abstract record available.
Inventors
- 👤 John A Favre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:19
CPC Classifications
H; H01; H01H; H01H73/00; H01H73/22; H01H73/24; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20396; Y10T74/20474
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1261677A
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US1689421A
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US1626528A
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US1770953A
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US1918248A
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US1831187A
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US2224848A
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US2338725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-05-30 | 1952-11-29 | 1953-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-05-30 | 1956-11-29 | 1957-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-05-30 | 1960-11-29 | 1961-05-31 | $7700.00 | Window Closed / Lapsed |