US2774003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television kinescopes
Assignee: RCA Corp
•
Filing: 1952-12-20
•
Granted: 1956-12-11
•
Expires: 1972-12-20
Abstract
No abstract record available.
Inventors
- 👤 Humboldt W Leverenz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:13
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J2231/00; H01J2231/12; H01J2231/125; H01J2231/1255
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2403227A
Cited
GB562168A
Cited
US2446764A
Cited
US2480848A
Cited
US2440301A
Cited
US2684885A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |