US PATENT SUBCLASS 229 / 132
.~.~.~ Overlapping extensions bonded 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.~.~.~ Overlapping extensions bonded together {5}
133  DF  .~.~.~.~> Including a sealing web formed by partial delamination of a wall extension
134  DF  .~.~.~.~> Including embossing or scoring to enhance the bond
135  DF  .~.~.~.~> Including means to restrain inward movement of inner extension during bonding
136  DF  .~.~.~.~> Extensions bonded by means of a cohesive or pressure sensitive type adhesive
137  DF  .~.~.~.~> Extensions of adjacent box walls hingedly attached together

DEFINITION

Classification: 229/132

Overlapping extensions bonded together:

(under subclass 126) Subject matter wherein the closure includes two or more extensions which overlie one another and are adhesively secured or welded to one another. [figure] [caption]overlapping extensions