US3189786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting device and electrical connection therefor
Assignee: Westinghouse Electric Corp
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Filing: 1960-08-10
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Granted: 1965-06-15
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Expires: 1980-08-10
Abstract
No abstract record available.
Inventors
- 👤 William J Knochel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:06
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/06; H05B33/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
IN AN ELECTROLUMINESCENT LIGHTING DEVICE HAVING A PAIR OF ELECTRODES, THE COMBINATION COMPRISING A CONTACT INTEGRAL WITH SAID LIGHTING DEVICE AND CONNECTED TO ONE OF SAID ELECTRODES, A LAYER OF ELECTRICALLY NON-CONDUCTIVE MATERIAL PROTECTIVELY COVERING SAID CONTACT AND A SUBSTANTIAL ADJOINING PORTION OF SAID LIGHT SOURCE, A LEAD-IN CONDUCTOR HAVING ONE END EMBEDDED IN SAID NON-CONDUCTIVE PROTECTIVE LAYER AND ANCHORED THEREBY IN CLOSE PROXIMITY TO SAID CONTACT, AND A LAYER OF ELECTRICALLY CONDUCTIVE MATERIAL BETWEEN AND CONNECTING THE EMBEDDED END OF SAID LEAD-IN CONDUCTOR AND SAID CONTACT, SAID LAYER OF CONDUCTIVE MATERIAL BEING FIRMLY BONDED TO THE CONTIGUOUS SURFACE OF SAID NON-CONDUCTIVE LAYER AND THEREBY PROVIDING A SEALED-IN LOW-RESISTANCE JUNCTURE BETWEEN SAID LEADIN CONDUCTOR AND SAID CONTACT.
References Cited (Backward Citations)
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US2650310A
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US2774004A
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US2983837A
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US2901652A
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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) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |