US PATENT SUBCLASS 162 / 274
.~.~ Of porous or foraminous member (e.g., felt or mold)

Current as of: June, 1999
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162 /   HD   PAPER MAKING AND FIBER LIBERATION

232  DF  APPARATUS {22}
272  DF  .~ Apparatus repair, cleaning or conditioning {2}
274.~.~ Of porous or foraminous member (e.g., felt or mold) {1}
275  DF  .~.~.~> Means applying fluid {3}

DEFINITION

Classification: 162/274

(under subclass 272) Apparatus in which the part of the apparatus undergoing treatment is pervious and permits the

passage of fluid therethrough.

(1) Note. In this subclass, for example, may be found devices in which a fibrous brush cleans the porous or foraminous member.

SEE OR SEARCH CLASS

68, Textiles: Fluid Treating Apparatus, appropriate subclasses, and see especially the Notes thereto for the locus of other art relation to the cleaning of fabric articles.

198, Conveyors: Power Driven,

494+, for a conveyor having installed as part of its structure a means for cleaning a component of the conveyor. 210, Liquid Purification or Separation,

391+, for filter cleaning devices.