US PATENT SUBCLASS 53 / 491
.~.~.~ By folding multiple preformed flap

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

396  DF  METHODS {22}
476  DF  .~ Closing package or filled receptacle {3}
484  DF  .~.~ Closing a preformed, freestanding, rigid or semi-rigid container (e.g., box, carton, bottle) {2}
491.~.~.~ By folding multiple preformed flap

DEFINITION

Classification: 53/491

By folding multiple preformed flap:

(under subclass 484) Methods for closing a package having plural, integral flaps by folding the flaps inwardly upon one another.

SEE OR SEARCH THIS CLASS, SUBCLASS:

376.4+, for corresponding apparatus.

458, for methods of erecting boxes.

462, for methods which shape a slotted blank around a contents.