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US3494838A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for the instantaneous quantitative analysis of ozone

Assignee: Commissariat à l'Énergie Atomique et Aux Énergies Alternatives
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Filing: 1968-01-15
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Granted: 1970-02-10
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Expires: 1988-01-15
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Abstract

No abstract record available.

Inventors

  • 👤 Yves Chapron
  • 👤 Genevieve Faltot
  • 👤 Henri Francois

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 22:58
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/403; G01N27/404; G01N27/4045; C; C01; C01B; C01B13/00; C01B13/10; G01N31/00; G01N31/005; Y; Y10; Y10T; Y10T436/00; Y10T436/20; Y10T436/206664

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US3234117A Cited
FR1407694A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-02-09 1973-08-11 1974-02-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-02-09 1977-08-11 1978-02-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-02-09 1981-08-11 1982-02-10 $7700.00 Window Closed / Lapsed

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