US3126325A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Kzhpox
Assignee: —
•
Filing: —
•
Granted: 1964-03-24
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:54
CPC Classifications
C; C12; C12Q; C12Q1/00; C12Q1/02; C12Q1/18; Y; Y10; Y10S; Y10S435/00; Y10S435/805; Y10S435/8215; Y10S435/822; Y10S435/832; Y10S435/839
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
165 words
AN ASSAY METHOD FOR ANTIMICROBIAL SUBSTANCES, EMPLOYING ASSAY MEANS WHICH COMPRISE AN INERT, ABSORBENT CARRIER HAVING DEPOSITED THEREON SPORES OF A MICROORGANISM OF THE FAMILY BACILLACEAE, A CULTURE MEDIUM FOR SAID MICROORGANISM CONTAINING AN OXIDIZABLE SUBSTRATE, A BUFFERING COMPOSITION EFFECTIVE TO PRODUCE A PH BETWEEN ABOUT 5.5 AND ABOUT 9, AND AN INDICATOR SUBSTANCE IN OXIDIZED FORM WHICH CHANGES COLOR UPON BEING REDUCED, SAID INDICATOR SUBSTANCE BEING PRESENT IN A PROPORTION NONTOXIC TO SAID MICROORGANISM UNDER GROWTH CONDITIONS, AND SAID ASSAY MEANS INITIALLY CONTAINING AN INSUFFICIENT PROPORTION OF WATER TO PERMIT VEGETATIVE GROWTH OF SAID MICROOGANISM, SAID METHOD COMPRISING THE STEPS OF MOISTENING A SERIES OF SAID ASSAY MEANS WITH SERIAL DILUTIONS OF AN AQUEOUS SOLUTION OF AN ANTIMICROBIAL SUBSTANCE, AND INCUBATING THE MOISTENED ASSAY MEANS IN SHALLOW, INDIVIDUAL CONTAINERS UNDER GROWTH CONDITIONS FOR THE MICROORGANISM CONTAINED THEREIN, WHILE MAINTAINING SAID ASSAY MEANS IN MOISTENED CONDITION, FOR A TIME SUFFICIENT TO CAUSE A COLOR CHANGE IN SAID ASSAY MEANS IN THE ABSENCE OF ANTIMICROBIAL SUBSTANCES.
Claim 2
Dependent Claim
165 words
AN ASSAY METHOD FOR ANTIMICROBIAL SUBSTANCES, EMPLOYING ASSAY MEANS WHICH COMPRISE AN INERT, ABSORBENT CARRIER HAVING DEPOSITED THEREON SPORES OF A MICROORGANISM OF THE FAMILY BACILLACEAE, A CULTURE MEDIUM FOR SAID MICROORGANISM CONTAINING AN OXIDIZABLE SUBSTRATE, A BUFFERING COMPOSITION EFFECTIVE TO PRODUCE A PH BETWEEN ABOUT 5.5 AND ABOUT 9, AND AN INDICATOR SUBSTANCE IN OXIDIZED FORM WHICH CHANGES COLOR UPON BEING REDUCED, SAID INDICATOR SUBSTANCE BEING PRESENT IN A PROPORTION NONTOXIC TO SAID MICROORGANISM UNDER GROWTH CONDITIONS, AND SAID ASSAY MEANS INITIALLY CONTAINING AN INSUFFICIENT PROPORTION OF WATER TO PERMIT VEGETATIVE GROWTH OF SAID MICROOGANISM, SAID METHOD COMPRISING THE STEPS OF MOISTENING A SERIES OF SAID ASSAY MEANS WITH SERIAL DILUTIONS OF AN AQUEOUS SOLUTION OF AN ANTIMICROBIAL SUBSTANCE, AND INCUBATING THE MOISTENED ASSAY MEANS IN SHALLOW, INDIVIDUAL CONTAINERS UNDER GROWTH CONDITIONS FOR THE MICROORGANISM CONTAINED THEREIN, WHILE MAINTAINING SAID ASSAY MEANS IN MOISTENED CONDITION, FOR A TIME SUFFICIENT TO CAUSE A COLOR CHANGE IN SAID ASSAY MEANS IN THE ABSENCE OF ANTIMICROBIAL SUBSTANCES.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-24 | 1967-09-23 | 1968-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-24 | 1971-09-23 | 1972-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-24 | 1975-09-23 | 1976-03-24 | $7700.00 | Window Closed / Lapsed |