US PATENT SUBCLASS 229 / 168
.~.~.~ Hollow sidewall has a nonrectangular cross-section

Current as of: June, 1999
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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
165  DF  .~ A sidewall includes a horizontally or downwardly extending panel attached along a horizontal fold line which is spaced above the box bottom {10}
167  DF  .~.~ Panel forms a hollow sidewall or sidewall portion {1}
168.~.~.~ Hollow sidewall has a nonrectangular cross-section

DEFINITION

Classification: 229/168

Hollow sidewall has a nonrectangular cross-section:

(under subclass 167) Subject matter wherein the panels forming the periphery of the hollow side wall provide it with a nonrectangular cross section. [figure] [caption]nonrectangular hollow wall