US PATENT SUBCLASS 53 / 252
.~.~.~.~ By reciprocable pusher

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

235  DF  DEPOSITING ARTICLES AND ARRANGING MATERIAL IN PREFORMED RECEPTACLES {10}
249  DF  .~ With movement of receptacle to or from filling station {1}
250  DF  .~.~ With means to supply successive receptacles {2}
251  DF  .~.~.~ Contents or receptacle transfer between conveyers {1}
252.~.~.~.~ By reciprocable pusher

DEFINITION

Classification: 53/252

(under subclass 251) Apparatus wherein the means to transfer the contents units or receptacles comprises a member which has alternate forward and backward motion.