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US1703389A Expired / Lapsed US ⏱️ 0.0 years remaining

Blood-transfusion machine

Assignee: Madison Kipp Corp
•
Filing: 1926-05-06
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Granted: 1929-02-26
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Expires: 1946-05-06
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Abstract

No abstract record available.

Inventors

  • 👤 Wilfred G Coles

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:51
CPC Classifications
F; F04; F04B; F04B7/00; F04B7/04; F04B7/06; A; A61; A61M; A61M60/00; A61M60/10; A61M60/20; A61M60/247; A61M60/253; A61M60/258; A61M60/30; A61M60/39; A61M60/40; A61M60/424; A61M60/438

Claims Analysis

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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) 1932-02-26 1932-08-27 1933-02-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1936-02-26 1936-08-27 1937-02-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1940-02-26 1940-08-27 1941-02-26 $7700.00 Window Closed / Lapsed

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