Patent US3153167A successfully refreshed from Google Patents.
US3153167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent devices with improved electrical contacts
Assignee: GTE Sylvania Inc
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Filing: 1960-08-10
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Granted: 1964-10-13
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Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 Richard M Rulon
- 👤 Jr William H Morgan
- 👤 Joseph M Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:08
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
AN ELECTROLUMINESCENT DEVICE COMPRISING MEANS FORMING A FIRST ELECTRODE, MEANS FORMING A SECOND ELECTRODE, AT LEAST ONE OF SAID ELECTRODES BEING LIGHT TRANSMITTING, A LAYER OF LIGHT PRODUCING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR BETWEEN SAID FIRST AND SECOND ELECTRODE MEANS, MEANS FORMING AN APERTURE THROUGH SAID DEVICE,MEANS POSITIONED IN SAID APERTURE TO CONDUCT
Claim 2
Dependent Claim
53 words
AN ELECTROLUMINESCENT DEVICE COMPRISING MEANS FORMING A FIRST ELECTRODE, MEANS FORMING A SECOND ELECTRODE, AT LEAST ONE OF SAID ELECTRODES BEING LIGHT TRANSMITTING, A LAYER OF LIGHT PRODUCING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR BETWEEN SAID FIRST AND SECOND ELECTRODE MEANS, MEANS FORMING AN APERTURE THROUGH SAID DEVICE,MEANS POSITIONED IN SAID APERTURE TO CONDUCT
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) | 1967-10-13 | 1968-04-13 | 1968-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-10-13 | 1972-04-13 | 1972-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-10-13 | 1976-04-13 | 1976-10-13 | $7700.00 | Window Closed / Lapsed |