US2739260A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube for color television
Assignee: Chromatic Television Laboratories Inc
•
Filing: 1950-03-20
•
Granted: 1956-03-20
•
Expires: 1970-03-20
Abstract
No abstract record available.
Inventors
- 👤 Ernest O Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB443896A
Cited
US2307188A
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US2461515A
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US2529485A
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US2446249A
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US2446440A
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US2498705A
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US2518200A
Cited
US2579705A
Cited
US2571991A
Cited
US2635203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-20 | 1959-09-19 | 1960-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-20 | 1963-09-19 | 1964-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-20 | 1967-09-19 | 1968-03-20 | $7700.00 | Window Closed / Lapsed |