US3248550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High capacity electroluminescent layer
Assignee: Westinghouse Electric Corp
•
Filing: 1962-10-18
•
Granted: 1966-04-26
•
Expires: 1982-10-18
Abstract
No abstract record available.
Inventors
- 👤 Zoltan P J Szepesi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:06
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H05B33/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A HIGH CAPACITY ELECTROLUMINESCENT DEVICE COMPRISING FIRST AND SECOND ELECTRODES AND A LAYER DISPOSED BETWEEN SAID ELECTRODES, SAID LAYER COMPRISING A MATERIAL EXHIBITING THE PROPERTY OF ELECTROLUMINESCENCE AND HAVING A FIRST DIELECTRIC CONSTANT AND A PLURALITY OF REGIONS DISTRIBUTED THROUGHOUT SAID LAYER HAVING A HIGHER DIELECTRIC CONSTANT THAN THE DIELECTRIC CONSTANT OF SAID ELECTROLUMINESCENT MATERIAL, EACH OF SAID REGIONS EXTENDING CONTINUOUSLY BETWEEN OPPOSED SURFACES OF SAID LAYER SO THAT THE CAPACITANCE OF SAID DEVICE IS INCREASED.
Claim 2
Dependent Claim
76 words
A HIGH CAPACITY ELECTROLUMINESCENT DEVICE COMPRISING FIRST AND SECOND ELECTRODES AND A LAYER DISPOSED BETWEEN SAID ELECTRODES, SAID LAYER COMPRISING A MATERIAL EXHIBITING THE PROPERTY OF ELECTROLUMINESCENCE AND HAVING A FIRST DIELECTRIC CONSTANT AND A PLURALITY OF REGIONS DISTRIBUTED THROUGHOUT SAID LAYER HAVING A HIGHER DIELECTRIC CONSTANT THAN THE DIELECTRIC CONSTANT OF SAID ELECTROLUMINESCENT MATERIAL, EACH OF SAID REGIONS EXTENDING CONTINUOUSLY BETWEEN OPPOSED SURFACES OF SAID LAYER SO THAT THE CAPACITANCE OF SAID DEVICE IS INCREASED.
References Cited (Backward Citations)
US2721950A
Cited
US2887601A
Cited
US2941103A
Cited
US2999165A
Cited
US3010044A
Cited
US3019345A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |