US2744952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television apparatus
Assignee: Chromatic Television Laboratories Inc
•
Filing: 1951-06-29
•
Granted: 1956-05-08
•
Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:40
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/08; H01J2231/00; H01J2231/12; H01J2231/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2548722A
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US2597743A
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US2655556A
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US2689269A
Cited
US2671129A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-08 | 1959-11-07 | 1960-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-08 | 1963-11-07 | 1964-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-08 | 1967-11-07 | 1968-05-08 | $7700.00 | Window Closed / Lapsed |