US PATENT SUBCLASS 229 / 152
.~.~.~.~ Flange or tab extends into box interior

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}
152.~.~.~.~ Flange or tab extends into box interior {1}
153  DF  .~.~.~.~.~> Including means for securing flange or tab in closed position

DEFINITION

Classification: 229/152

Flange or tab extends into box interior:

(under subclass 141) Subject matter wherein the flange or tab lies inside the box when the access opening is closed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

125.31+, and 125.37+, for a closure securing element which separate from the box.

125.32, for a separate closure having a flange or tab which extends into the box interior.

149, for a flange or tab which extends into the box interior through an opening in the box material.

151, for a flange or tab which extends between two layers of box material and has a portion inside the box. [figure] [caption]flange or tab