US PATENT SUBCLASS 229 / 144
.~.~.~.~ Flange connected to two box walls by a foldable web

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}
144.~.~.~.~ Flange connected to two box walls by a foldable web

DEFINITION

Classification: 229/144

Flange connected to two box walls by a foldable web:

(under subclass 141) Subject matter wherein the extensions includes a depending flange which is attached to two side walls by means of a segment of box material which is unitary with all three elements and is folded upon itself when the box is closed. [figure] [caption]two box walls, flange, foldable web