Patent US2674704A successfully refreshed from Google Patents.
US2674704A
Expired / Lapsed
US
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Storage tube for color television signals, etc.
Assignee: RCA Corp
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Filing: 1950-12-28
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Granted: 1954-04-06
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Expires: 1970-12-28
Abstract
No abstract record available.
Inventors
- 👤 Paul K Weimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:54
CPC Classifications
H; H04; H04N; H04N11/00; H04N11/06; H04N11/20; H04N11/22; H01; H01J; H01J31/00; H01J31/08; H01J31/58; H01J31/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2245364A
Cited
FR866065A
Cited
US2276359A
Cited
US2219021A
Cited
US2430038A
Cited
US2516314A
Cited
US2547638A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |