US3350596A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent lamp having a high resistivity electrode
Assignee: GTE Sylvania Inc
•
Filing: 1953-08-17
•
Granted: 1967-10-31
•
Expires: 1973-08-17
Abstract
No abstract record available.
Inventors
- 👤 Burns Laurence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:27
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN ELECTROLUMINESCENT LAMP COMPRISING TWO ELECTRODES WITH A LAYER THEREBETWEEN OF AN ACTIVATED PHOSPHOR PARTICLE CONTAINING AN ACCEPTOR IMPURITY AND BEING EMBEDDED IN AN INSULATING DIELECTRIC MEDIUM.
Claim 2
Dependent Claim
27 words
AN ELECTROLUMINESCENT LAMP COMPRISING TWO ELECTRODES WITH A LAYER THEREBETWEEN OF AN ACTIVATED PHOSPHOR PARTICLE CONTAINING AN ACCEPTOR IMPURITY AND BEING EMBEDDED IN AN INSULATING DIELECTRIC MEDIUM.
References Cited (Backward Citations)
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US2780731A
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |