US PATENT SUBCLASS 210 / 440
.~.~.~ Inlet and outlet at same end

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

348  DF  FILTER {25}
435  DF  .~ Within flow line or flow line connected close casing {9}
437  DF  .~.~ Central internal liquid receiver, e.g., tube {3}
440.~.~.~ Inlet and outlet at same end

DEFINITION

Classification: 210/440

(under subclass 437) Apparatus in which the prefilt inlet and the filtrate outlet are in the same end of a closed casing.