Patent US2707730A successfully refreshed from Google Patents.
US2707730A
Expired / Lapsed
US
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Amplifier circuits for television picture signal channels
Assignee: RCA Corp
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Filing: 1951-05-21
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Granted: 1955-05-03
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Expires: 1971-05-21
Abstract
No abstract record available.
Inventors
- 👤 Alton J Torre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:54
CPC Classifications
H; H03; H03F; H03F1/00; H03F1/42; H03F1/48; H03F1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1708944A
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US1644004A
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US2164745A
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US2167079A
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US2196266A
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US2207796A
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US2272385A
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US2312145A
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US2458365A
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US2581159A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-02 | 1958-11-01 | 1959-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-02 | 1962-11-01 | 1963-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-02 | 1966-11-01 | 1967-05-03 | $7700.00 | Window Closed / Lapsed |