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US3043751A Expired / Lapsed US ⏱️ 0.0 years remaining

Process and equipment for determining microbial sensitivity to anti-microbial agents

Assignee: HAROLD C HERMAN
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Filing: 1960-03-14
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Granted: 1962-07-10
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Expires: 1980-03-14
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Abstract

No abstract record available.

Inventors

  • 👤 Leon S Goldman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:05
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/18; C12Q1/04; C12Q1/045; G; G01; G01N; G01N31/00; G01N31/22; C12Q2304/00; Y; Y10; Y10S; Y10S435/00; Y10S435/805

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 71 words
A HIGHLY WATER-INSOLUBLE NONTOXIC REDOX INDICATOR FOR THE DETECTION OF THE VIABILITY OF MICROORGANISMS CONSISTING OF A NONTOXIC INERT SUPPORTING AGENT MADE CATIONIC REDOX INDICATOR IMBEDDED IN THE INTERSTICES OF THE CELLULOSE FINROUS SUPPORTING AGENT, SAID ALKALOIDAL REAGENT BEING ONE OF THE GROUP CONSISTING OF SILCOTUNGSTIC ACID AND ARSENOPHOTUNGSTIC ACID, SAID CATIONIC REDOX INDICATOR BEING ONE OF THE GROUP CONSISTING OF TRIPHENYLTETRAZOLIUM AND ITS CHEMICAL DERIVATIVES, METHYLENE BLUE, AND NEUTRAL RED.

References Cited (Backward Citations)

US2713581A Cited
US2794786A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-07-09 1966-01-08 1966-07-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-07-09 1970-01-08 1970-07-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-07-09 1974-01-08 1974-07-10 $7700.00 Window Closed / Lapsed

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