US2595616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light diffusing surface made out of electrooptical elements controlled electrostatically
Assignee: Products & Licensing Corp
•
Filing: 1947-08-04
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Granted: 1952-05-06
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Expires: 1967-08-04
Abstract
No abstract record available.
Inventors
- 👤 Toulon Pierre Marie Gabriel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:09
CPC Classifications
H; H04; H04N; H04N9/00; H04N9/12; H04N9/30; G; G02; G02F; G02F1/00; G02F1/0009; G02F1/0018; G02F1/01; G02F1/165; G02F1/166; G02F1/167; G02F1/17; G02F1/172; G03; G03B; G03B21/00; G03B21/54; G03B21/56; G09; G09F; G09F13/00; G09F19/00; G09F19/12; G09F19/18; G09F9/00; G09F9/30; G09F9/37; G09F9/372
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB241636A
Cited
US1740673A
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FR673696A
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US1894462A
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US2000379A
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US2000380A
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US2002515A
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US1963496A
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US2163550A
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US2341422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |