Patent US3089973A successfully refreshed from Google Patents.
← Back to Patent Explorer
US3089973A Expired / Lapsed US ⏱️ 0.0 years remaining

Electroluminescent device

Assignee: RCA Corp
•
Filing: 1961-03-22
•
Granted: 1963-05-14
•
Expires: 1981-03-22
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Paul G Herold
  • 👤 Richard A Nolan

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 22:35
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/02; H05B33/04; F; F21; F21K; F21K9/00; F21K9/20; F21K9/23; F21K9/232; F21Y; F21Y2105/00; F21Y2115/00; F21Y2115/20

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 31 words
AN ELECTROLUMINESCENT LAMP COMPRISING A SEALED ENVELOPE, A PLURALITY OF ELECTROLUMINESCENT PANELS WITHIN SAID ENVELOPE, AND MEANS FOR SUPPORTING AND CONNECTING SAID ELECTROLUMINESCENT PANELS IN ELECTRICALLY PARALLEL RELATIONSHIP WITHIN SAID ENVELOPE.
Claim 2
Dependent Claim 31 words
AN ELECTROLUMINESCENT LAMP COMPRISING A SEALED ENVELOPE, A PLURALITY OF ELECTROLUMINESCENT PANELS WITHIN SAID ENVELOPE, AND MEANS FOR SUPPORTING AND CONNECTING SAID ELECTROLUMINESCENT PANELS IN ELECTRICALLY PARALLEL RELATIONSHIP WITHIN SAID ENVELOPE.

References Cited (Backward Citations)

US2509071A Cited
US2714683A Cited
US2779889A Cited
US2975318A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-05-13 1966-11-12 1967-05-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-05-13 1970-11-12 1971-05-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-05-13 1974-11-12 1975-05-14 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag