US PATENT SUBCLASS 210 / 529
.~.~.~ Polygonal container and correlating mover

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

513  DF  GRAVITATIONAL SEPARATOR {6}
523  DF  .~ Mechanical constituent mover {5}
528  DF  .~.~ Horizontally rotating scraper {3}
529.~.~.~ Polygonal container and correlating mover

DEFINITION

Classification: 210/529

(under subclass 528) Apparatus wherein the scraper is so constructed that in its movement it conforms with the outline of a polygonal tank.