US3264479A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent light amplifier
Assignee: GTE Sylvania Inc
•
Filing: 1955-01-31
•
Granted: 1966-08-02
•
Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Jr Sandford C Peek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
AN ELECTROLUMINESCENT DEVICE COMPRISING AN ELECTROLUMINESCENT LAYER WITH A LAYER OF LIGHT-REFLECTING DIELECTRIC MATERIAL THEREOVER, AND A LAYER OF PHOTOCONDUCTIVE MATERIAL OVER SAID DIELECTRIC LAYER.
Claim 2
Dependent Claim
25 words
AN ELECTROLUMINESCENT DEVICE COMPRISING AN ELECTROLUMINESCENT LAYER WITH A LAYER OF LIGHT-REFLECTING DIELECTRIC MATERIAL THEREOVER, AND A LAYER OF PHOTOCONDUCTIVE MATERIAL OVER SAID DIELECTRIC LAYER.
References Cited (Backward Citations)
US2150168A
Cited
US2258294A
Cited
US2603757A
Cited
US2692948A
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US2605335A
Cited
US2624857A
Cited
US2594740A
Cited
US2785220A
Cited
US2650310A
Cited
US2773992A
Cited
US2768310A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |