US3341915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of manufacturing electroluminescent lamps
Assignee: Philips North America LLC
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Filing: 1963-02-19
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Granted: 1967-09-19
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Expires: 1983-02-19
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
- 👤 Robert W Wollentin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:26
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/22; H05B33/10; H05B33/26; H05B33/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
THE METHOD OF MAKING A FLEXIBLE ELECTROLUMINESCENT PANEL COMPRISING, DEPOSIT-FORMING A LAYER OF ELECTRICALLY-CONDUCTIVE LIGHTTRANSMITTING MATERIAL IN SITU ON AND IN DIRECT CONTACT WITH A RIGID TEMPORARY SUPPORT MEMBER THAT HAS A SURFACE TO WHICH THE LAYER OF LIGHT-TRANSMITTIN MATERIAL ONLY LOOSELY ADHERES, DEPOSIT-FORMING A LAYER OF ADMIXED ELECTROLUMINESCENT PHOSPHOR PARTICLES AND A HARDENABLE PLASTIC DIELECTRIC MATERIAL ON SAID LAYER OF LIGHT-TRANSMITTING CONDUCTIVE MATERIAL, COVERING SAID PHOSPHOR-DIELECTRIC LAYER WITH A THIN FILM OF METAL, CURING SAID HARDENABLE PLASTIC DIELECTRIC SO THAT THE RESPECTIVE LAYERS ARE BONDED ONE TO THE OTHER, AND THEN STRIPPING THE RESULTING ELECTROLUMINESCENT LAMINATION FROM SAID RIGID SUPPORT MEMBER.
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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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |