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US3614856A Expired / Lapsed US ⏱️ 0.0 years remaining

Gas transfer device

Assignee: Applied Biosystems Inc
•
Filing: 1968-11-29
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Granted: 1971-10-26
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Expires: 1988-11-29
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Abstract

Abstract A DEVICE FOR RECEIVING AN APPROXIMATELY 15 MICROLITER SAMPLE OF BLOOD AND FOR TRANSFERRING GAS FROM THE BLOOD TO A GAS RECEPTOR FLUID THROUGH A GAS PERMEABLE MEMBRANE. THE BLOOD SAMPLE MAY BE STORED IN THE DEVICE WHICH IS ADAPTED TO DELIVER THE RECEPTOR FLUID INTO A MEASURING ELECTRODE. BY CONTRAST IN PRIOR ART SYSTEMS BLOOD GAS ANALYSES WERE MADE IN THE SAME DEVICE IN WHICH THE BLOOD SAMPLE WAS PLACED.

Inventors

  • 👤 Manuel C Sanz
  • 👤 John J J Staunton

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 21:53
CPC Classifications
G; G01; G01N; G01N7/00; G01N7/10; B; B01; B01L; B01L3/00; B01L3/50; Y; Y10; Y10T; Y10T436/00; Y10T436/25; Y10T436/25375; Y10T436/255

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1974-10-25 1975-04-26 1975-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1978-10-25 1979-04-26 1979-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1982-10-25 1983-04-26 1983-10-26 $7700.00 Window Closed / Lapsed

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