US PATENT SUBCLASS 229 / 150
.~.~.~.~.~ Opening extends through a wall extension

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}
126  DF  .~.~ Foldable wall extension (e.g., closure flap) {13}
141  DF  .~.~.~ Extension includes a depending flange or tab which extends along an adjacent box wall {9}
149  DF  .~.~.~.~ Flange or tab extends through opening in box material {1}
150.~.~.~.~.~ Opening extends through a wall extension

DEFINITION

Classification: 229/150

Opening extends through a wall extension:

(under subclass 149) Subject matter wherein the slit or aperture is located in and extends through an extension of a box wall. [figure]