US PATENT SUBCLASS 73 / 863.01
.~ Automatic control

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

863  DF  SAMPLER, SAMPLE HANDLING, ETC. {11}
863.01.~ Automatic control {1}
863.02  DF  .~.~> Quantity or rate of flow responsive {1}

DEFINITION

Classification: 73/863.01

Automatic control:

(under subclass 863) Subject matter combined with a sensing element for sensing a condition of the source or sample, and means to modify the operation of the sampler in response thereto.

SEE OR SEARCH CLASS

137, Fluid Handling,

87+, for self-proportioning or correlating fluid-handling systems.