Patent US2420518A successfully refreshed from Google Patents.
US2420518A
Expired / Lapsed
US
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Power reduction circuit for radio receivers
Assignee: General Electric Co
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Filing: 1943-01-22
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Granted: 1947-05-13
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Expires: 1963-01-22
Abstract
No abstract record available.
Inventors
- 👤 George M Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:07
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/02; H03F1/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22302E
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US1925825A
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US1919160A
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US2078055A
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US2028859A
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US2096625A
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US2152515A
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US2263633A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-12 | 1950-11-11 | 1951-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-12 | 1954-11-11 | 1955-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-12 | 1958-11-11 | 1959-05-13 | $7700.00 | Window Closed / Lapsed |