US3401262A
Expired / Lapsed
US
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Radiation sensitive display system utilizing a cholesteric liquid crystalline phase material
Assignee: Westinghouse Electric Corp
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Filing: 1965-06-29
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Granted: 1968-09-10
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Expires: 1985-06-29
Abstract
No abstract record available.
Inventors
- 👤 James L Fergason
- 👤 Arthur E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/132; B; B41; B41M; B41M5/00; B41M5/26; B41M5/28; B41M5/281; G01; G01T; G01T1/00; G01T1/29; G01T1/2914; G01T1/2921; G02F1/133; G02F1/135; H; H04; H04N; H04N5/00; H04N5/30; H04N5/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2788452A
Cited
US3114836A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |