Antibiotic susceptibility testing
Patent 3992265 Issued on November 16, 1976. Estimated Expiration Date: 
November 16, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 16, 1993. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 3441383 3776817 InventorAssigneeApplicationNo. 645581 filed on 12/31/1975US Classes:435/288.5, Including means for fluid passage between compartments (e.g., between wells, etc.)435/33Using multifield mediaExaminersPrimary: Tanenholtz, Alvin E.Attorney, Agent or FirmAbstractThe susceptability of microorganisms to various antibiotics is determined by propagating microorganisms in the presence of different concentrations of the antibiotic in a plurality of test cells or chambers axially aligned on one element of a cylinder of plastic which cylinder has a concentric protective sleeve with apertures to match the test cups and indexing and orienting means to keep the sleeve and cylinder aligned. A series of concentrations of a particular antibiotic are prepackaged and stored dry in the test cells of a particular cylinder with various antibiotics in various cylinders which may be positioned in a storage rack for convenience in inoculation and incubation. |
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