US PATENT SUBCLASS 250 / 431
.~ With cleaning means

Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

428  DF  FLUENT MATERIAL CONTAINMENT, SUPPORT OR TRANSFER MEANS {4}
431.~ With cleaning means

DEFINITION

Classification: 250/431

(under subclass 428) Subject matter having means therewith for removing the fluent material or other material from the surfaces or the interior of the containment, support or transfer means.