US PATENT SUBCLASS 141 / 201
.~.~.~ Normally open with closed position holding means

Current as of: June, 1999
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141 /   HD   FLUENT MATERIAL HANDLING, WITH RECEIVER OR RECEIVER COACTING MEANS

192  DF  AUTOMATIC CONTROL OF FLOW CUTOFF OR DIVERSION {4}
198  DF  .~ Level or overflow responsive {3}
199  DF  .~.~ Funnel type closed by float {5}
201.~.~.~ Normally open with closed position holding means

DEFINITION

Classification: 141/201

(under subclass 199) Apparatus in which the supply means has a flow controlling means which is normally held in open position and in which the element of control operates to hold the said flow controlling means closed after a predetermined level of material has been reached in the receiver.