US PATENT SUBCLASS 73 / 863.86
.~.~ Valve or restriction

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
863.81  DF  .~ Withdrawing through conduit or receptacle wall {4}
863.86.~.~ Valve or restriction

DEFINITION

Classification: 73/863.86

Valve or restriction:

(under subclass 863.81) Subject matter having a conduit in communication with the source side of the wall and means to selectively close off or to restrain the sample flow to a receiver.

(1) Note. Remote valve actuators combined with a sampling cup are included here.