Patent US3102242A successfully refreshed from Google Patents.
US3102242A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oscillator with electroluminescent and photoconductive elements
Assignee: GTE Sylvania Inc
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Filing: 1959-04-16
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Granted: 1963-08-27
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Expires: 1979-04-16
Abstract
No abstract record available.
Inventors
- 👤 Matarese John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:18
CPC Classifications
H; H03; H03B; H03B17/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ELECTROLUMINESCENT DEVICE COMPRISING (A) A HOLLOW OPAQUE ENCLOSURE CONTAINING (B) AN ELECTROLUMINESCENT LAYER PROVIDED WITH FIRST AND SECOND OPPOSITE FACES RESPECTIVELY COATED WITH FIRST AND SECOND ELECTRICALLY CONDUCTIVE FILMS, (C) A PHOTOCONDUCTIVE LAYER PROVIDED WITH FIRST AND SECONDFACES RESPECTIVELY COATED WITH THIRD AND FOURTH ELECTRICALLY CONDUCTIVE FILMS POSITIONED ADJACENT SAID ELCETROLUMINESCENT LAYER, SAID ELECTROLUMINESCENT LAYER BEING ISOLATED FRM INCIDENT RADIATION BY SAID OPAQUE ENCLOSURE AND SAID PHOTOCONDUCTIVE LAYER RECEIVING RADIATION ONLY FROM SAID ELECTROLYUMINESCENT LAYER,
Claim 2
Dependent Claim
76 words
AN ELECTROLUMINESCENT DEVICE COMPRISING (A) A HOLLOW OPAQUE ENCLOSURE CONTAINING (B) AN ELECTROLUMINESCENT LAYER PROVIDED WITH FIRST AND SECOND OPPOSITE FACES RESPECTIVELY COATED WITH FIRST AND SECOND ELECTRICALLY CONDUCTIVE FILMS, (C) A PHOTOCONDUCTIVE LAYER PROVIDED WITH FIRST AND SECONDFACES RESPECTIVELY COATED WITH THIRD AND FOURTH ELECTRICALLY CONDUCTIVE FILMS POSITIONED ADJACENT SAID ELCETROLUMINESCENT LAYER, SAID ELECTROLUMINESCENT LAYER BEING ISOLATED FRM INCIDENT RADIATION BY SAID OPAQUE ENCLOSURE AND SAID PHOTOCONDUCTIVE LAYER RECEIVING RADIATION ONLY FROM SAID ELECTROLYUMINESCENT LAYER,
References Cited (Backward Citations)
US2908824A
Cited
US2895054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |