US PATENT SUBCLASS 137 / 119.1
.~.~.~.~ Electrical control

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

87.01  DF  SELF-PROPORTIONING OR CORRELATING SYSTEMS {8}
109  DF  .~ Self-controlled branched flow systems {4}
118.01  DF  .~.~ Plural outflows {5}
119.01  DF  .~.~.~ Alternately or successively substituted outflow {7}
119.1.~.~.~.~ Electrical control

DEFINITION

Classification: 137/119.1

Electrical control:

(under subclass 119.01) Subject matter comprising an electrical element and wherein the sensor controls the outlet by means of the electrical element.

SEE OR SEARCH THIS CLASS, SUBCLASS:

596.16, for an electric pilot-actuated supply and exhaust system.