US PATENT SUBCLASS 239 / 553.3
.~.~ Foraminous or apertured member


Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

548  DF  UNITARY PLURAL OUTLET MEANS {12}
553  DF  .~ Having interior filter or guide {2}
553.3.~.~ Foraminous or apertured member


DEFINITION

Classification: 239/553.3

(under subclass 553) Apparatus in which the means comprises a member or material having one or more orifices, pores, or passages extending therethrough.

SEE OR SEARCH THIS CLASS, SUBCLASS:

462, for a distributor having fluid deflection or rotation controlling means and a filter or screen.

575, for a distributor having valve means and a filter or screen in the flow line.