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US3528544A Expired / Lapsed US ⏱️ 0.0 years remaining

Method for inspecting liquids for detection of foreign solid matters

Assignee: Eisai Co Ltd
•
Filing: 1968-09-19
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Granted: 1970-09-15
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Expires: 1988-09-19
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Abstract

No abstract record available.

Inventors

  • 👤 Teiichi Noguchi
  • 👤 Kimishige Onozato
  • 👤 Ikuji Inowaki
  • 👤 Toshio Takahashi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:54
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/84; G01N21/88; G01N21/90; G01N21/9018; G01N21/9027; B; B65; B65B; B65B3/00; B65B3/003; B65B3/006; G01N33/00; G01N33/0078; G01N33/0081; Y; Y10; Y10S; Y10S209/00; Y10S209/914

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2633772A Cited
US3217877A Cited
US3020033A Cited
US3412254A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-09-14 1974-03-16 1974-09-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-09-14 1978-03-16 1978-09-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-09-14 1982-03-16 1982-09-15 $7700.00 Window Closed / Lapsed

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