US3117245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ceramic-glazed electroluminescent lighting panel protected by siloxane-bonded linear organic polymer film
Assignee: WR Grace and Co
•
Filing: 1961-01-03
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Granted: 1964-01-07
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Expires: 1981-01-03
Abstract
No abstract record available.
Inventors
- 👤 John E Ehrreich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:16
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN AN ELECTROLUMINESCENT LAMP COMPRISING A PHOSPHOR CONTAINING DIELECTRIC MEDIUM BETWEEN TWO ELECTRODES AT LEAST ONE OF WHICH ELECTRODES PASSES LIGHT AND A LIGHTTRANSMITTING CERAMIC GLAZE OVER THE LIGHT-TRANSMITTING ELECTRODE, THE IMPROVEMENT COMPRISING A 0.5 TO 5.0 MIL THICK CONTINUOUS MOISTURE-VAPOR-RESISTANT FILM OF A LINEAR ORGANIC POLYMER BONDED TO SAID CERAMIC GLAZE WITH A SILOXANE RESIN ADHESIVE.
Claim 2
Dependent Claim
57 words
IN AN ELECTROLUMINESCENT LAMP COMPRISING A PHOSPHOR CONTAINING DIELECTRIC MEDIUM BETWEEN TWO ELECTRODES AT LEAST ONE OF WHICH ELECTRODES PASSES LIGHT AND A LIGHTTRANSMITTING CERAMIC GLAZE OVER THE LIGHT-TRANSMITTING ELECTRODE, THE IMPROVEMENT COMPRISING A 0.5 TO 5.0 MIL THICK CONTINUOUS MOISTURE-VAPOR-RESISTANT FILM OF A LINEAR ORGANIC POLYMER BONDED TO SAID CERAMIC GLAZE WITH A SILOXANE RESIN ADHESIVE.
References Cited (Backward Citations)
US2774004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-06 | 1967-07-08 | 1968-01-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-06 | 1971-07-08 | 1972-01-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-06 | 1975-07-08 | 1976-01-07 | $7700.00 | Window Closed / Lapsed |