US3738942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid crystal material
Assignee: Toshiba Corp
•
Filing: 1971-08-31
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Granted: 1973-06-12
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Expires: 1991-08-31
Abstract
Abstract A MIXED NEMATIC LIQUID CRYSTAL MATERIAL PREPARED BY MIXING P-(N-(P-METHOXY BENZYLIDENE)AMINO)PHENYL 2ETHYL HEXANOATE WITH ONE OR MORE LIQUID CRYSTAL MATERIALS SUCH S A FATTY ACID ESTER OF P-(N-(P-ALKOXY BENZYLIDENE) AMINO)PHENOL, ALKYL P-(P-ALKOXY PHENOXY CARBONYL)PHENYL CARBONATE, OR P-(N-(P-ALKOXY BENZYLIDENE) AMINO)-N-ALKYL BENZENE.
Inventors
- 👤 S Matsumoto
- 👤 M Kawamoto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:34
CPC Classifications
C; C09; C09K; C09K19/00; C09K19/04; C09K19/06; C09K19/08; C09K19/10; C09K19/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-11 | 1976-12-11 | 1977-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-11 | 1980-12-11 | 1981-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-11 | 1984-12-11 | 1985-06-12 | $7700.00 | Window Closed / Lapsed |