Patent US3459839A successfully refreshed from Google Patents.
US3459839A
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Method of making and reproducing surfaces capable of orienting nematic dichroic materials
Assignee: Individual
•
Filing: 1964-10-14
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Granted: 1969-08-05
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Expires: 1984-10-14
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Hutfles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:10
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/0029; G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; G02B5/3033; G02F; G02F1/00; G02F1/01; G02F1/13; G02F1/133; G02F1/1333; G02F1/1337; G02F1/133711; Y; Y10; Y10S; Y10S359/00; Y10S359/90
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) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |