US PATENT SUBCLASS 229 / 137
.~.~.~.~ Extensions of adjacent box walls hingedly attached together

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}
132  DF  .~.~.~ Overlapping extensions bonded together {5}
137.~.~.~.~ Extensions of adjacent box walls hingedly attached together

DEFINITION

Classification: 229/137

Extensions of adjacent box walls hingedly attached together:

(under subclass 132) Subject matter wherein the closure includes extensions of two walls that are next to each other, which extensions are attached to one another along a fold line. [figure] [caption]adjacent extensions

SEE OR SEARCH THIS CLASS, SUBCLASS:

138, for similar subject matter involving extensions which are not bonded together.