US PATENT SUBCLASS 210 / 448
.~.~.~ Single open-end-type filter element

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  DF  .~.~ Axially aligned inlet and outlet {3}
448.~.~.~ Single open-end-type filter element

DEFINITION

Classification: 210/448

(under subclass 446) Apparatus in which the filter element is a hollow filter element having one end open.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452, for a single open end type filter supported on an internal fixed shoulder.