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US2885935A
Expired / Lapsed
US
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Color-kinescopes, etc.
Assignee: RCA Corp
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Filing: 1956-05-16
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Granted: 1959-05-12
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Expires: 1976-05-16
Abstract
No abstract record available.
Inventors
- 👤 David W Epstein
- 👤 Peter E Kaus
- 👤 David D Van Ormer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:50
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06; H01J29/07; H01J9/00; H01J9/20; H01J9/22; H01J9/227; H01J9/2271; H01J9/2272; H01J9/2273; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/18; H04N9/20; H01J2229/00; H01J2229/07; H01J2229/0727; H01J2229/0788
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2174003A
Cited
US2414938A
Cited
US2703456A
Cited
US2664027A
Cited
US2690518A
Cited
US2745978A
Cited
US2817276A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-11 | 1962-11-10 | 1963-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-11 | 1966-11-10 | 1967-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-11 | 1970-11-10 | 1971-05-12 | $7700.00 | Window Closed / Lapsed |