US PATENT SUBCLASS 210 / 482
.~.~ At lower end or prefilt receiver

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

348  DF  FILTER {25}
473  DF  .~ Resting on supporting receiver, e.g., portable {3}
482.~.~ At lower end or prefilt receiver

DEFINITION

Classification: 210/482

(under subclass 473) Apparatus attached or supported at the lower end of a prefilt receiver.

SEE OR SEARCH THIS CLASS, SUBCLASS:

449, for a filter medium within a closed casing attached to a pipe end.

459+, for a filter element attached to a fixed pipe or plate.