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US2801355A
Expired / Lapsed
US
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Target structure for color television display tubes
Assignee: Chromatic Television Laboratories Inc
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Filing: 1954-05-10
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Granted: 1957-07-30
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Expires: 1974-05-10
Abstract
No abstract record available.
Inventors
- 👤 Crais S Nunan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:53
CPC Classifications
H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/20; H01J31/201; H01J29/00; H01J29/46; H01J29/80; H01J29/803; H01J29/806; H01J29/86; H01J29/861; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/22; H04N9/26; H01J2229/00; H01J2229/86; H01J2229/8613; H01J2229/8616; H01J2229/862
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |