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US2985849A
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Crystal oscillator with reactance tube control used in color television receiving apparatus
Assignee: RCA Corp
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Filing: 1953-03-18
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Granted: 1961-05-23
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Expires: 1973-03-18
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:44
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/44; H04N9/455; H03; H03J; H03J7/00; H03J7/02; H03J7/04; H03J7/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2058260A
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US2427231A
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US2438392A
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US2594380A
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US2744155A
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US2801282A
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US2713608A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |