US PATENT SUBCLASS 55 / 430
.~ With means effecting or assisting discharge of residue (e.g., endless belt)

Current as of: June, 1999
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55 /   HD   GAS SEPARATION

428  DF  RESIDUE ACCESS, HANDLING OR REMOVING MEANS {4}
430.~ With means effecting or assisting discharge of residue (e.g., endless belt) {1}
431  DF  .~.~> Gaseous or liquid

DEFINITION

Classification: 55/430

(under subclass 428) Apparatus comprising a means which positively effects or aids removal of the collected residue rather than merely permitting such removal.