US PATENT SUBCLASS 422 / 942
.~.~ For multiple samples, e.g., micro-titration plate [B01L 3/00C2D]


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422 /   HD   CHEMICAL APPARATUS AND PROCESS DISINFECTING, DEODORIZING, PRESERVING, OR STERILIZING

939  DD  CONTAINERS FOR THE PURPOSE OF RETAINING A MATERIAL TO BE ANALYZED [B01L 3/00C] {3}
940  DD  .~ Made of a rigid material [B01L 3/00C2] {2}
942.~.~ For multiple samples, e.g., micro-titration plate [B01L 3/00C2D] {1}
943  DD  .~.~.~> Specially adapted for heating or cooling samples [B01L 3/00C2D2]