US PATENT SUBCLASS 222 / 35
.~.~ With means to prevent discharge prior to zero setting

Current as of: June, 1999
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222 /   HD   DISPENSING

23  DF  WITH RECORDER, REGISTER, INDICATOR, SIGNAL OR EXHIBITOR {11}
32  DF  .~ With zero-setting mechanism {3}
35.~.~ With means to prevent discharge prior to zero setting

DEFINITION

Classification: 222/35

(under subclass 32) Dispensers having means to prevent the initiation of a discharge operation unless the register is at its initial or zero position.