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US3035177A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrophotoluminescent devices

Assignee: Societe dElectronique et dAutomatisme SA
•
Filing: 1957-11-29
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Granted: 1962-05-15
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Expires: 1977-11-29
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Abstract

No abstract record available.

Inventors

  • 👤 Hanlet Jacques Marie Noel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 16:31
CPC Classifications
H; H05; H05B; H05B33/00; H05B33/10; H05B33/12; H05B33/26

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1724298A Cited
US2540490A Cited
US2594740A Cited
US2794081A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-05-14 1965-11-13 1966-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-05-14 1969-11-13 1970-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-05-14 1973-11-13 1974-05-15 $7700.00 Window Closed / Lapsed

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