Patent US2897293A successfully refreshed from Google Patents.
US2897293A
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Magnetic amplifiers with biased rectifiers
Assignee: General Electric Co
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Filing: 1954-06-11
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Granted: 1959-07-28
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Expires: 1974-06-11
Abstract
No abstract record available.
Inventors
- 👤 Raymond E Morgan
- 👤 Hugh M Ogle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:15
CPC Classifications
H; H03; H03F; H03F9/00; H03F9/04; G; G05; G05B; G05B11/00; G05B11/01; G05B11/012; G05B11/016; H03F9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2519513A
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US2571708A
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US2554203A
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US2683853A
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US2733306A
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US2794165A
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US2762967A
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US2770737A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |