US PATENT SUBCLASS 55 / 305
.~.~.~ Attendant actuated manipulating means

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

282  DF  WITH NONLIQUID CLEANING MEANS FOR SEPARATING MEDIA {13}
301  DF  .~ Cohesive filter media cleaning {2}
304  DF  .~.~ Filter manipulation, shaking or flexing for precluding or removing encrustation {1}
305.~.~.~ Attendant actuated manipulating means

DEFINITION

Classification: 55/305

(under subclass 304) Apparatus wherein the means is arranged for actuation by a human being (e.g. by hand).