US PATENT SUBCLASS 40 / 539
.~ Folding display

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

538  DF  DUMMY SIGN {2}
539.~ Folding display

DEFINITION

Classification: 40/539

Folding display:

(under subclass 538) Device capable of being dismantled and folded to occupy a small space for storage or transportation.