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US3052238A Expired / Lapsed US ⏱️ 0.0 years remaining

Pressure flow device

Assignee: Baxter International Inc
•
Filing: 1958-04-22
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Granted: 1962-09-04
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Expires: 1978-04-22
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Abstract

No abstract record available.

Inventors

  • 👤 Cyrus R Broman
  • 👤 Karl E Baumann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 22:51
CPC Classifications
A; A61; A61M; A61M5/00; A61M5/14; A61M5/142; A61M5/14212; A61M5/14224; A61M60/00; A61M60/10; A61M60/104; A61M60/20; A61M60/247; A61M60/253; A61M60/258; A61M60/30; A61M60/36; A61M60/38; A61M60/39; A61M2205/00; A61M2205/33; A61M2205/3331; A61M2205/3334; A61M60/109; A61M60/113; Y; Y10; Y10S; Y10S128/00; Y10S128/03

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2291912A Cited
DE874199C Cited
US2812716A Cited
US2879784A Cited
US2927582A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-09-03 1966-03-05 1966-09-04 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-09-03 1970-03-05 1970-09-04 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-09-03 1974-03-05 1974-09-04 $7700.00 Window Closed / Lapsed

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