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US3454338A Expired / Lapsed US ⏱️ 0.0 years remaining

Stellar spectrometer

Assignee: Office National d'Études et de Recherches Aérospatiales
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Filing: 1966-02-07
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Granted: 1969-07-08
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Expires: 1986-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Andre J Girard
  • 👤 Jean G Berny

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 17:30
CPC Classifications
G; G01; G01J; G01J3/00; G01J3/12; G01J3/18; G01J3/14; G01J3/28; G01J3/42; G01J3/433; G01J3/45; G01J3/453; G01J3/02; G01J3/0205; G01J3/0208; G01J3/0229

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2750836A Cited
US3025744A Cited
US3246557A Cited
US3305692A Cited
US3312824A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-07-07 1973-01-06 1973-07-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-07-07 1977-01-06 1977-07-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-07-07 1981-01-06 1981-07-08 $7700.00 Window Closed / Lapsed

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