Patent US4902456A successfully refreshed from Google Patents.
US2685033A
Expired / Lapsed
US
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Beam deflection control for cathode-ray devices
Assignee: RCA Corp
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Filing: 1951-01-02
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Granted: 1954-07-27
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Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Philip E Volz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:54
CPC Classifications
H; H04; H04N; H04N5/00; H04N5/04; H04N5/12; H04N5/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2440786A
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US2466784A
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US2510027A
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US2492090A
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US2543305A
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US2559512A
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US2561817A
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US2545346A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-26 | 1958-01-25 | 1958-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-26 | 1962-01-25 | 1962-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-26 | 1966-01-25 | 1966-07-27 | $7700.00 | Window Closed / Lapsed |