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US3379915A Expired / Lapsed US ⏱️ 0.0 years remaining

Conductive media for electroluminescent devices, and electroluminescent device

Assignee: GTE Sylvania Inc
•
Filing: 1965-07-08
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Granted: 1968-04-23
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Expires: 1985-07-08
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas J Sentementes
  • 👤 Eric L Mager

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 10:10
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/12; H01; H01B; H01B1/00; H01B1/06; H01B1/08; H05B33/22; H05B33/26; H05B33/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 83 words
AN ELECTROLUMINESCENT DEVICE COMPRISING: AN ELECTRICALLY CONDUCTIVE BASE MEMBER, A LAYER OF LIGHT EMITTING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR DISPOSED ABOVE SAID BASE MEMBER; AN ELECTRICALLY CONDUCTIVE LACQUER DISPOSED ABOVE SAID LAYER OF LIGHT EMITTING MATERIAL SAID ELECTRICALLY CONDUCTIVE LACQUER INCLUDING INDIUM OXIDE DOPED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF TIN PLUS CADMIUM AND TIN PLUS CADMIUM PLUS ANTIMONY, SAID CADMIUM BEING DIVALENT, SAID DOPANT BEING PRESENT IN QUANTITIES OF 0.05 TO 0.5 GRAM ATOMS PER MOLE OF INDIUM OXIDE.
Claim 2
Dependent Claim 83 words
AN ELECTROLUMINESCENT DEVICE COMPRISING: AN ELECTRICALLY CONDUCTIVE BASE MEMBER, A LAYER OF LIGHT EMITTING MATERIAL INCLUDING AN ELECTROLUMINESCENT PHOSPHOR DISPOSED ABOVE SAID BASE MEMBER; AN ELECTRICALLY CONDUCTIVE LACQUER DISPOSED ABOVE SAID LAYER OF LIGHT EMITTING MATERIAL SAID ELECTRICALLY CONDUCTIVE LACQUER INCLUDING INDIUM OXIDE DOPED WITH A MEMBER SELECTED FROM THE GROUP CONSISTING OF TIN PLUS CADMIUM AND TIN PLUS CADMIUM PLUS ANTIMONY, SAID CADMIUM BEING DIVALENT, SAID DOPANT BEING PRESENT IN QUANTITIES OF 0.05 TO 0.5 GRAM ATOMS PER MOLE OF INDIUM OXIDE.

References Cited (Backward Citations)

US3027277A Cited
US3295002A Cited
US3315111A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-04-23 1971-10-23 1972-04-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-04-23 1975-10-23 1976-04-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-04-23 1979-10-23 1980-04-23 $7700.00 Window Closed / Lapsed

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