US PATENT SUBCLASS 229 / 122.31
.~.~ The bottom wall is spaced upwardly from the bottom edges of the side walls


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229 /   HD   ENVELOPES, WRAPPERS, AND PAPERBOARD BOXES

100  DF  PAPERBOARD BOX {54}
122.27  DD  .~ Rectangular box having a bottom wall initially separate from all of the side walls {4}
122.31.~.~ The bottom wall is spaced upwardly from the bottom edges of the side walls