US PATENT SUBCLASS 422 / 57
.~.~ Having coated reagent

Current as of: June, 1999
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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

50  DF  ANALYZER, STRUCTURED INDICATOR, OR MANIPULATIVE LABORATORY DEVICE {11}
55  DF  .~ Structured visual or optical indicator, per se {3}
57.~.~ Having coated reagent

DEFINITION

Classification: 422/57

Having coated reagent:

(under subclass 55) Apparatus wherein the reagent is coated on the surface of a carrier or substrate.