US2739264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube intensity compensation
Assignee: Individual
•
Filing: 1952-08-01
•
Granted: 1956-03-20
•
Expires: 1972-08-01
Abstract
No abstract record available.
Inventors
- 👤 Warren T Shreve
- 👤 Robert J Mccurdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:45
CPC Classifications
H; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2313967A
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US2363810A
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US2453711A
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US2455373A
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US2438717A
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US2448299A
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US2620455A
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US2569240A
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US2648027A
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 |