US PATENT SUBCLASS 210 / 538
.~ Lighter constituent trap

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

513  DF  GRAVITATIONAL SEPARATOR {6}
538.~ Lighter constituent trap {2}
539  DF  .~.~> Gas vent or bypass
540  DF  .~.~> With discharge port

DEFINITION

Classification: 210/538

(under subclass 513) Apparatus in which a lighter constituent is prevented from escaping from an outlet for a heavier constituent.