US PATENT SUBCLASS 141 / 21
.~ By operation of means causing or controlling dispensing

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

18  DF  FILLING OR REFILLING OF DISPENSERS {5}
21.~ By operation of means causing or controlling dispensing {2}
22  DF  .~.~> Removable dispenser is supply container closure {1}
25  DF  .~.~> Expansible chamber of fluid pressure applying or controlling means {3}

DEFINITION

Classification: 141/21

(under subclass 18) Apparatus which cooperates in some way with the dispenser being filled, some part or parts of the dispenser, ordinarily relied upon for separating a portion of the material from the supply, being operated or manipulated to accomplish the filling operation.