US3211663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent devices and materials
Assignee: Westinghouse Electric Corp
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Filing: 1962-06-15
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Granted: 1965-10-12
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Expires: 1982-06-15
Abstract
No abstract record available.
Inventors
- 👤 Daniel S Buleza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:45
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
IN AN ELECTROLUMINESCENT DEVICE, THE COMBINATION OF AN ELECTROLUMINESCENT PHOSPHOR, AN EMISSIVE MATERIAL THAN IS DISPOSED IN IRRADIATING RELATIONSHIP WITH SAID ELECTROLU MINESCENT PHOSPHOR, AND MEANS FOR SIMULTANEOUSLY APPLYING AN ELECTIC FIELD TO SAID IRRADIATED ELECTROLUMINES CENT PHOSPHOR.
Claim 2
Dependent Claim
38 words
IN AN ELECTROLUMINESCENT DEVICE, THE COMBINATION OF AN ELECTROLUMINESCENT PHOSPHOR, AN EMISSIVE MATERIAL THAN IS DISPOSED IN IRRADIATING RELATIONSHIP WITH SAID ELECTROLU MINESCENT PHOSPHOR, AND MEANS FOR SIMULTANEOUSLY APPLYING AN ELECTIC FIELD TO SAID IRRADIATED ELECTROLUMINES CENT PHOSPHOR.
Claim 3
Dependent Claim
17 words
THE COMBINATION OF A RADIOACTIVE MATERIAL, AND AN ELECTROLUMINESCENT PHOSPHOR IN RADIATION-RECEPTIVE PROXIMITY TO SAID RADIOACTIVE MATERIAL.
Claim 4
Dependent Claim
17 words
THE COMBINATION OF A RADIOACTIVE MATERIAL, AND AN ELECTROLUMINESCENT PHOSPHOR IN RADIATION-RECEPTIVE PROXIMITY TO SAID RADIOACTIVE MATERIAL.
References Cited (Backward Citations)
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US2749251A
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US2847386A
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US3084062A
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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) | 1968-10-11 | 1969-04-12 | 1969-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-11 | 1973-04-12 | 1973-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-11 | 1977-04-12 | 1977-10-12 | $7700.00 | Window Closed / Lapsed |