US PATENT SUBCLASS 406 / 171
.~.~ Having filter

Current as of: June, 1999
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406 /   HD   CONVEYORS: FLUID CURRENT

154  DF  FLUID CURRENT CONVEYOR OUTLET MEANS {5}
168  DF  .~ With material separating receptacle {6}
171.~.~ Having filter {1}
172  DF  .~.~.~> And means to clean filter

DEFINITION

Classification: 406/171

Having filter:

(under subclass 168) Subject matter wherein the receptacle* is provided with means to remove load material from the conveying fluid at the outlet* comprising a member which is previous to the conveying fluid and impervious to load material.

SEE OR SEARCH CLASS

55, Gas Separation, for a filter, per se.

210, Liquid Purification or Separation,

348+, for a filter, per se.