US PATENT SUBCLASS 73 / 863.83
.~.~ With metering means or pump

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


73 /   HD   MEASURING AND TESTING

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
863.81  DF  .~ Withdrawing through conduit or receptacle wall {4}
863.83.~.~ With metering means or pump {1}
863.84  DF  .~.~.~> Expansible chamber

DEFINITION

Classification: 73/863.83

With metering means or pump:

(under subclass 863.81) Subject matter comprising a positive displacement means moving or permitting movement of a sample at a controlled rate or frequency from a capture element within the source receptacle or conduit to an external receiver.

(1) Note. The positive displacement means can be inter alia, an auger, expansible chamber or trap chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

863.02, for a sample metering means or pump responsive to a flow sensor.

864.34, for a sample metering means or pump, per se.