US PATENT SUBCLASS 210 / 446
.~.~ Axially aligned inlet and outlet

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}
446.~.~ Axially aligned inlet and outlet {3}
447  DF  .~.~.~> Laterally removable
448  DF  .~.~.~> Single open-end-type filter element
449  DF  .~.~.~> Pipe end attached closed casing, e.g., faucet

DEFINITION

Classification: 210/446

(under subclass 435) Apparatus in which the prefilt inlet and the filtrate outlet are in substantial axial alignment.