Patent JPS5812977A successfully refreshed from Google Patents.
US2758162A
Expired / Lapsed
US
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Magnetic amplifier
Assignee: Magnetics Inc
•
Filing: 1951-03-02
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Granted: 1956-08-07
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Expires: 1971-03-02
Abstract
No abstract record available.
Inventors
- 👤 Morris G Tekosky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:01
CPC Classifications
H; H03; H03F; H03F9/00; H03F9/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2164383A
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US2400559A
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US2464639A
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US2608676A
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US2678419A
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US2481644A
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US2552952A
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US2571708A
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US2594022A
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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) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |