US PATENT SUBCLASS 221 / 6
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Current as of: June, 1999
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221 /   HD   ARTICLE DISPENSING

2  DF  WITH RECORDER, REGISTER, INDICATOR, SIGNAL OR EXHIBITOR {5}
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DEFINITION

Classification: 221/6

(under subclass 2) Devices in which the condition indicated is the depletion of articles in the supply receptacle.