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US3140976A Expired / Lapsed US ⏱️ 0.0 years remaining

Quaternary ammonium germicide

Assignee: Armour Pharmaceutical Co
•
Filing: 1960-12-16
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Granted: 1964-07-14
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Expires: 1980-12-16
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Abstract

No abstract record available.

Inventors

  • 👤 Donald J Berenschot
  • 👤 Elmer G King
  • 👤 Robert K Stubbs
  • 👤 George R Bobalik

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 10:47
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/02; A01N33/12

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2019275A Cited
GB441120A Cited
US2204511A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-07-14 1968-01-13 1968-07-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-07-14 1972-01-13 1972-07-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-07-14 1976-01-13 1976-07-14 $7700.00 Window Closed / Lapsed

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