US3813265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electro-optical dipolar material
Assignee: Individual
•
Filing: 1972-03-23
•
Granted: 1974-05-28
•
Expires: 1992-03-23
Abstract
Abstract AN ARTICLE OF MANUFACTURE IS PROVIDED AS A MATRIX HAVING DISPERSED SUBSTANTIALLY UNIFORMLY THERETHROUGH A PLURALITY OF ELECTRO-OPTICALLY RESPONSIVE DIPOLE PARTICLES SELECTED FROM THE GROUP CONSISTING OF ELECTRICALLY CON: DUCTIVE AND SEMI-CONDUCTIVE MATERIAL AND DICHROIC CRYSTALS, THE MATRIX BEING A TRANSPARENT MEDIUM CAPABLE OF BEING IN THE FLUID STATE DURING THE INITIAL ORIENTATION OF THE DIPOLES, WHEREBY THE DIPOLES ARE CAPABLE OF ROTATION TO A DESIRED PREFERRED ORIENTATION UPON THE APPLICATION OF A FORCE FILED, THE MEDIUM BEING THEREAFTER SOLIDIFIED. A METHOD OF APPLYING THE FORCE FIELD IS DISCLOSED.
Inventors
- 👤 A Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:30
CPC Classifications
G; G02; G02B; G02B5/00; G02B5/30; G02B5/3025; G02B5/3058; G02B5/3033; G02F; G02F1/00; G02F1/01; G02F1/17; G02F1/172; Y; Y10; Y10T; Y10T428/00; Y10T428/25; Y10T428/256
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-05-27 | 1977-11-26 | 1978-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-27 | 1981-11-26 | 1982-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-27 | 1985-11-26 | 1986-05-28 | $7700.00 | Window Closed / Lapsed |