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US3471240A Expired / Lapsed US ⏱️ 0.0 years remaining

Recording apparatus for the measurement of circular dichroism

Assignee: Laboratoires Francais de Chimiotherapie SA
•
Filing: 1965-01-27
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Granted: 1969-10-07
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Expires: 1985-01-27
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Abstract

No abstract record available.

Inventors

  • 👤 Marc Grosjean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 10:11
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/19

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

USRE26053E Cited
US2874608A Cited
US3164662A Cited
US3155762A Cited
FR1269237A Cited
US3257894A Cited
US3247758A Cited
US3312141A Cited
US3283644A Cited
US3316412A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-10-06 1973-04-07 1973-10-07 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-10-06 1977-04-07 1977-10-07 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-10-06 1981-04-07 1981-10-07 $7700.00 Window Closed / Lapsed

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