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Patent US2741720A successfully refreshed from Google Patents.
US2741720A
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Color television apparatus and methods
Assignee: General Electric Co
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Filing: 1951-02-01
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Granted: 1956-04-10
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Expires: 1971-02-01
Abstract
No abstract record available.
Inventors
- 👤 James M Lafferty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:01
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2125599A
Cited
US2264709A
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FR866065A
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US2343825A
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US2461515A
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US2446249A
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US2577038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-10 | 1959-10-10 | 1960-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-10 | 1963-10-10 | 1964-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-10 | 1967-10-10 | 1968-04-10 | $7700.00 | Window Closed / Lapsed |