Patent US2526346A successfully refreshed from Google Patents.
US2863091A
Expired / Lapsed
US
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Flat tri-color kinescopes
Assignee: RCA Corp
•
Filing: 1956-03-07
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Granted: 1958-12-02
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Expires: 1976-03-07
Abstract
No abstract record available.
Inventors
- 👤 David W Epstein
- 👤 Edward G Ramberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:54
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/123; H01J31/124; Y; Y10; Y10S; Y10S315/00; Y10S315/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2449558A
Cited
US2513742A
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US2623190A
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US2728024A
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US2714176A
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US2795729A
Cited
US2795731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-01 | 1962-06-02 | 1962-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-01 | 1966-06-02 | 1966-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-01 | 1970-06-02 | 1970-12-02 | $7700.00 | Window Closed / Lapsed |