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
Abstract
No abstract record available.
Inventors
- 👤 Leon S Goldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:04
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 |