US2862141A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television tube
Assignee: Westinghouse Electric Corp
•
Filing: 1954-02-19
•
Granted: 1958-11-25
•
Expires: 1974-02-19
Abstract
No abstract record available.
Inventors
- 👤 Andrew P Kruper
- 👤 Charles H Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:33
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
US2259506A
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USRE23672E
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US2595617A
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US2660684A
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US2577368A
Cited
US2754357A
Cited
US2646521A
Cited
US2692532A
Cited
US2734146A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-11-24 | 1962-05-26 | 1962-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-24 | 1966-05-26 | 1966-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-24 | 1970-05-26 | 1970-11-25 | $7700.00 | Window Closed / Lapsed |