US PATENT SUBCLASS 53 / 447
.~.~ Stacking upon another before packaging

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

396  DF  METHODS {22}
443  DF  .~ Group forming of contents into a unit {5}
447.~.~ Stacking upon another before packaging

DEFINITION

Classification: 53/447

Stacking upon another before packaging:

(under subclass 443) Methods for placing a plurality of articles or layers of articles one upon the other before being associated with a cover.

SEE OR SEARCH THIS CLASS, SUBCLASS:

531+, for apparatus which may include stacking mechanisms.