Patent US3242368A successfully refreshed from Google Patents.
US3242368A
Expired / Lapsed
US
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Low-voltage hole-injection electroluminescence in cadmium sulphide
Assignee: Ford Motor Co
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Filing: 1962-11-30
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Granted: 1966-03-22
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Expires: 1982-11-30
Abstract
No abstract record available.
Inventors
- 👤 David K Donald
- 👤 Robert C Jaklevic
- 👤 John J Lambe
- 👤 William C Vassell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:57
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/14; H05B33/145; H05B33/22
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
35 words
AN ELECTROLUMINESCENT STRUCTURE COMPRISING A CONDUCTIVE MASS OF A PHOSPHOR, A METAL ELECTRODE AND A LAYER OF INSULATING MATERIAL HAVING A THICKNESS NOT SUBSTANTIALLY EXCEEDING 150 ANGSTROMS INTERPOSED BETWEEN THE METAL ELECTRODE AND THE PHOSPHOR.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |