US2632877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic amplifier control system
Assignee: General Electric Co
•
Filing: 1949-12-30
•
Granted: 1953-03-24
•
Expires: 1969-12-30
Abstract
No abstract record available.
Inventors
- 👤 Hugh M Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:27
CPC Classifications
H; H02; H02P; H02P25/00; H02P25/16; H02P25/28; Y; Y10; Y10S; Y10S388/00; Y10S388/907; Y10S388/913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1686029A
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US2113234A
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US2100715A
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US2288339A
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US2213882A
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US2401168A
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US2414936A
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US2552952A
Cited
US2571708A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |