US3109958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent devices with overload protection
Assignee: GTE Sylvania Inc
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Filing: 1961-06-22
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Granted: 1963-11-05
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Expires: 1981-06-22
Abstract
No abstract record available.
Inventors
- 👤 Richard P Delachapelle
- 👤 Henry T Hidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:25
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/06; H05B44/00; Y; Y02; Y02B; Y02B20/00; Y02B20/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN COMBINATION, AN ELECTROLUMINESCENT DEVICE HAVING A BASE ELECTRODE, A SUPERPOSED LIGHT-TRANSMITTING ELECTRODE AND A LIGHT-EMITTING LAYER INCLUDING AN ELECTROLUMINESCENT PHOSPHOR POSITIONED BETWEEN SAID ELECTRODES; AN INSULATOR DISPOSED ON SAID BASE ELECTRODE; A PRINTED CIRCUIT INCLUDING A CURRENT LIMITING MEANS SUPPORTED ON SAID INSULATOR AND INSULATED FROM SAID BASE ELECTRODE; MEANS FOR ELECTRICALLY CONNECTING SAID CURRENT LIMITING
Claim 2
Dependent Claim
57 words
IN COMBINATION, AN ELECTROLUMINESCENT DEVICE HAVING A BASE ELECTRODE, A SUPERPOSED LIGHT-TRANSMITTING ELECTRODE AND A LIGHT-EMITTING LAYER INCLUDING AN ELECTROLUMINESCENT PHOSPHOR POSITIONED BETWEEN SAID ELECTRODES; AN INSULATOR DISPOSED ON SAID BASE ELECTRODE; A PRINTED CIRCUIT INCLUDING A CURRENT LIMITING MEANS SUPPORTED ON SAID INSULATOR AND INSULATED FROM SAID BASE ELECTRODE; MEANS FOR ELECTRICALLY CONNECTING SAID CURRENT LIMITING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-04 | 1967-05-06 | 1967-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-04 | 1971-05-06 | 1971-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-04 | 1975-05-06 | 1975-11-05 | $7700.00 | Window Closed / Lapsed |