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US2212318A Expired / Lapsed US ⏱️ 0.0 years remaining

Blood transfusion apparatus

Assignee: Schering and Glatz Inc
•
Filing: 1939-04-17
•
Granted: 1940-08-20
•
Expires: 1959-04-17
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Abstract

No abstract record available.

Inventors

  • 👤 Gee Albert Haldane

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:06
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/1414; A61M5/1417; A61M5/162; A61M5/165; A61M2005/1623

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) 1943-08-20 1944-02-19 1944-08-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1947-08-20 1948-02-19 1948-08-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1951-08-20 1952-02-19 1952-08-20 $7700.00 Window Closed / Lapsed

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