US2763715A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tri-color television picture tube with registration control
Assignee: Westinghouse Electric Corp
•
Filing: 1952-02-26
•
Granted: 1956-09-18
•
Expires: 1972-02-26
Abstract
No abstract record available.
Inventors
- 👤 Kenneth N Fromm
- 👤 Miller Theadore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:46
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2530431A
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US2545325A
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US2677723A
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US2648722A
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US2634326A
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US2657257A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-18 | 1960-03-19 | 1960-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-18 | 1964-03-19 | 1964-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-18 | 1968-03-19 | 1968-09-18 | $7700.00 | Window Closed / Lapsed |