Patent US3341274A successfully refreshed from Google Patents.
US3341274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically responsive light controlling device employing suspended dipole particles in a plastic film
Assignee: Individual
•
Filing: 1965-09-28
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Granted: 1967-09-12
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Expires: 1985-09-28
Abstract
No abstract record available.
Inventors
- 👤 Alvin M Marks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:17
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/01; G02F1/17; G02F1/172
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
AN ELECTRICALLY RESPONSIVE LIGHT CONTROLLING DEVICE COMPRISING A CONTINUOUS TRANSPARENT PLASTIC FILM HAVING TWO PARALLEL FACES, A PLURALITY OF SMALL DROP-LIKE ELEMENTS WITHIN THE FILM, SAID DROPS COMPRISING A LIQUID AND A PLURALITY OF THIN HIGH INDEX FLAKES SUSPENDED THEREIN, A TRANSPARENT ELECTRODE ON EACH FACE OF THE FILM AND MEANS
Claim 2
Dependent Claim
51 words
AN ELECTRICALLY RESPONSIVE LIGHT CONTROLLING DEVICE COMPRISING A CONTINUOUS TRANSPARENT PLASTIC FILM HAVING TWO PARALLEL FACES, A PLURALITY OF SMALL DROP-LIKE ELEMENTS WITHIN THE FILM, SAID DROPS COMPRISING A LIQUID AND A PLURALITY OF THIN HIGH INDEX FLAKES SUSPENDED THEREIN, A TRANSPARENT ELECTRODE ON EACH FACE OF THE FILM AND MEANS
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) | 1970-09-11 | 1971-03-13 | 1971-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-11 | 1975-03-13 | 1975-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-11 | 1979-03-13 | 1979-09-12 | $7700.00 | Window Closed / Lapsed |