Patent US2550462A successfully refreshed from Google Patents.
US2550462A
Expired / Lapsed
US
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Rectifier regulator
Assignee: General Electric Co
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Filing: 1946-01-16
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Granted: 1951-04-24
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Expires: 1966-01-16
Abstract
No abstract record available.
Inventors
- 👤 George W Fyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:08
CPC Classifications
G; G05; G05F; G05F1/00; G05F1/10; G05F1/46; G05F1/607
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1928812A
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US2086994A
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US2101802A
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US2117908A
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US2113220A
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US2248821A
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US2315445A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |