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US3448041A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for treating blood preliminary to its use in transfusions

Assignee: PIONEER VIGGO Inc
•
Filing: 1965-06-14
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Granted: 1969-06-03
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Expires: 1985-06-14
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Abstract

No abstract record available.

Inventors

  • 👤 Roy L Swank

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 12:08
CPC Classifications
A; A61; A61M; A61M1/00; A61M1/36; A61M1/3679; A61K; A61K35/00; A61K35/12; A61K35/14; A61M5/00; A61M5/14; A61M5/165; A61M2202/00; A61M2202/04

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US197368A Cited
US2251964A Cited
US2286231A Cited
GB588224A Cited
US2644586A Cited
US2660167A Cited
US2676128A Cited
US2720278A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1972-06-02 1972-12-02 1973-06-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1976-06-02 1976-12-02 1977-06-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1980-06-02 1980-12-02 1981-06-03 $7700.00 Window Closed / Lapsed

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