US PATENT SUBCLASS 210 / 174
.~ Cylindrical strainer

Current as of: June, 1999
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210 /   HD   LIQUID PURIFICATION OR SEPARATION

173  DF  COMMINUTING {1}
174.~ Cylindrical strainer

DEFINITION

Classification: 210/174

(under subclass 173) Apparatus in which the separating medium comprises a cylindrical filter medium.

SEE OR SEARCH THIS CLASS, SUBCLASS:

161, for a revolvable flume screen strainer, per se.

402+, for a movable drum type filter.