US PATENT SUBCLASS 229 / 158
.~.~.~.~ One extension projects through two separate openings in another 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}
155  DF  .~.~.~ Plural extensions mechanically interlocked with each other {2}
158.~.~.~.~ One extension projects through two separate openings in another extension


DEFINITION

Classification: 229/158

One extension projects through two separate openings in another extension:

(under subclass 155) Subject matter wherein the interconnection is formed by at least a portion of one extension extending through two spaced openings (an opening being either a slit or an aperture) in another extension. [figure] [caption]separate openings, one extension

SEE OR SEARCH THIS CLASS, SUBCLASS:

149+, for a foldable wall extension having a depending flange or tab which extends along an adjacent box wall and through an opening in the box material.