US PATENT SUBCLASS 210 / 540
.~.~ With discharge port

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

513  DF  GRAVITATIONAL SEPARATOR {6}
538  DF  .~ Lighter constituent trap {2}
540.~.~ With discharge port

DEFINITION

Classification: 210/540

(under subclass 538) Apparatus, with a discharge port for a lighter constituent.

SEE OR SEARCH THIS CLASS, SUBCLASS:

522, for a superposed compartments each with a lighter constituent discharge.

537, for discharge means for heavier and lighter constituents.