US PATENT SUBCLASS 40 / 789
.~.~.~.~ Having display window formed in blank

Current as of: June, 1999
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40 /   HD   CARD, PICTURE, OR SIGN EXHIBITING

700  DF  PICTURE FRAME {29}
780  DF  .~ Knockdown or set-up type {3}
786  DF  .~.~ Folded {2}
788  DF  .~.~.~ Frame formed from single unitary blank {1}
789.~.~.~.~ Having display window formed in blank

DEFINITION

Classification: 40/789

Having display window formed in blank:

(under subclass 788) Folded picture frame wherein the unbent sheet has an opening therein which will allow a displayed planar article to be viewed after the blank has been folded to form a frame.