US PATENT SUBCLASS 222 / 464.2
.~ Porous or having plural apertures

Current as of: June, 1999
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222 /   HD   DISPENSING

464.1  DF  INTERNALLY EXTENDING OUTLET PIPE {3}
464.2.~ Porous or having plural apertures

DEFINITION

Classification: 222/464.2

Porous or having plural apertures:

(under subclass 464.1) Subject matter wherein at least a portion of the outlet pipe is made of a porous material or the pipe has more than one inlet passages.

(1) Note. An outlet pipe having a porous material or plural inlets for the purpose of separating are not in this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

189.11, for an internally extended outlet pipe with a filter