US3465202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent device for deriving a bright output image from a dark input image
Assignee: Panasonic Holdings Corp
•
Filing: 1966-10-17
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Granted: 1969-09-02
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Expires: 1986-10-17
Abstract
No abstract record available.
Inventors
- 👤 Tadao Kohashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:20
CPC Classifications
H; H05; H05B; H05B44/00; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3350506A
Cited
US2969481A
Cited
US3086143A
Cited
US3154720A
Cited
US3243508A
Cited
US3387271A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-01 | 1973-03-03 | 1973-09-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-01 | 1977-03-03 | 1977-09-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-01 | 1981-03-03 | 1981-09-02 | $7700.00 | Window Closed / Lapsed |