Patent US3290536A successfully refreshed from Google Patents.
US3290536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent lamp with homogeneous phosphor-dielectric layer
Assignee: GTE Sylvania Inc
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Filing: 1962-01-02
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Granted: 1966-12-06
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Eric L Mager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:42
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/22; H05B33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
AN ELECTROLUMINESCENT LAMP COMPRISING TWO ELECTRODES HAVING THEREBETWEEN A LAYER OF AN ELECTROLUMINESCENT PHOSPHOR IN A DIELECTRIC MEDIUM AND A LAYER OF DIELECTRIC MATERIAL ONLY, ONE OF SAID ELECTRODES BEING TRANSPARENT, THE OTHER BEING OF METAL ELECTRODE AND TRIC MATERIAL ONLY BEING BETWEEN THE METAL ELECTRODE AND THE LAYER CONTAINING ELECTROLUMINESCENT PHOSPHOR, SAID LAYER OF ELECTROLUMINESCENT PHOSPHOR IN A DIELECTRIC MEDIUM BEING HOMOGENEOUS.
Claim 2
Dependent Claim
63 words
AN ELECTROLUMINESCENT LAMP COMPRISING TWO ELECTRODES HAVING THEREBETWEEN A LAYER OF AN ELECTROLUMINESCENT PHOSPHOR IN A DIELECTRIC MEDIUM AND A LAYER OF DIELECTRIC MATERIAL ONLY, ONE OF SAID ELECTRODES BEING TRANSPARENT, THE OTHER BEING OF METAL ELECTRODE AND TRIC MATERIAL ONLY BEING BETWEEN THE METAL ELECTRODE AND THE LAYER CONTAINING ELECTROLUMINESCENT PHOSPHOR, SAID LAYER OF ELECTROLUMINESCENT PHOSPHOR IN A DIELECTRIC MEDIUM BEING HOMOGENEOUS.
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) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |