US PATENT SUBCLASS 229 / 125.31
.~.~.~.~ Flange or tab extends between two layers of box material

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
124  DF  .~ With closure for an access opening {7}
125.01  DF  .~.~ Nonunitary closure (i.e., not of one-piece construction with the box) {17}
125.19  DF  .~.~.~ Closure includes a depending flange or tab which extends along an adjacent box wall {9}
125.31.~.~.~.~ Flange or tab extends between two layers of box material

DEFINITION

Classification: 229/125.31

Flange or tab extends between two layers of box material:

(under subclass 125.19) Subject matter wherein the flange or tab lies between two thickness of box material when the nonunitary closure is in its closed position. [figure]

SEE OR SEARCH THIS CLASS, SUBCLASS:

151, for a box having a wall extension which includes a flange or tab which extends between two layers of box material.