US3118086A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroluminescent device with a built-in resistor
Assignee: Westinghouse Electric Corp
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Filing: 1961-07-05
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Granted: 1964-01-14
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Expires: 1981-07-05
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
- 👤 George B Saviers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:44
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN AN ELECTROLUMINESCENT DEVICE HAVING A PAIR OF SPACED ELECTRODES, ONE OF WHICH COMPRISES A LAYER OF RADIATION-TRANSMITTING ELECTRICALLY-CONDUCTIVE MATERIAL, THE COMBINATION OF A CONTACT FOR CONNECTING SAID RADIATION-TRANSMITTING ELECTRODE TO A POWER SUPPLY, AND CURRENT-LIMITING MEANS CONNECTING SAID RADIATION-TRANSMITTING ELECTRODE TO SAID CONTACT, SAID CURRENT-LIMITING MEANS COMPRISING AN ELONGATED STRIP OF PREDETERMINED RESISTANCE THAT IS ELECTRICALLY CONNECTED TO AND FABRICATED FROM THE SAME MATERIAL AS THE RADIATION-TRANSMITTING ELECTRODE.
Claim 2
Dependent Claim
69 words
IN AN ELECTROLUMINESCENT DEVICE HAVING A PAIR OF SPACED ELECTRODES, ONE OF WHICH COMPRISES A LAYER OF RADIATION-TRANSMITTING ELECTRICALLY-CONDUCTIVE MATERIAL, THE COMBINATION OF A CONTACT FOR CONNECTING SAID RADIATION-TRANSMITTING ELECTRODE TO A POWER SUPPLY, AND CURRENT-LIMITING MEANS CONNECTING SAID RADIATION-TRANSMITTING ELECTRODE TO SAID CONTACT, SAID CURRENT-LIMITING MEANS COMPRISING AN ELONGATED STRIP OF PREDETERMINED RESISTANCE THAT IS ELECTRICALLY CONNECTED TO AND FABRICATED FROM THE SAME MATERIAL AS THE RADIATION-TRANSMITTING ELECTRODE.
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) | 1967-01-13 | 1967-07-15 | 1968-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-13 | 1971-07-15 | 1972-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-13 | 1975-07-15 | 1976-01-14 | $7700.00 | Window Closed / Lapsed |