US PATENT SUBCLASS 422 / 311
.~ Bed support means (e.g., support grid or plate for supporting particulate bed of contact material, etc.)

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

310  DF  ELEMENTS OR ADJUNCTS {2}
311.~ Bed support means (e.g., support grid or plate for supporting particulate bed of contact material, etc.)

DEFINITION

Classification: 422/311

Bed support means (e.g., support grid or plate for supporting particulate bed or contact material, etc.):

(under subclass 310) Apparatus comprising a support means for material.