Patent US3364433A successfully refreshed from Google Patents.
US3364433A
Expired / Lapsed
US
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Molecular swarm liquid crystal optical parametric devices
Assignee: AT&T Inc
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Filing: 1967-03-10
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Granted: 1968-01-16
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Freund Isaac
- 👤 Peter M Rentzepis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:20
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/0009; G02F1/0045; G02F1/35; G02F1/355; G02F1/361; G02F1/39
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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |