US PATENT SUBCLASS 40 / 475
.~.~.~ Hinged leaves

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

446  DF  CHANGING EXHIBITOR {25}
470  DF  .~ Motor operated {4}
473  DF  .~.~ Rotatable {2}
475.~.~.~ Hinged leaves

DEFINITION

Classification: 40/475

Hinged leaves:

(under subclass 473) Exhibitor in which the display device comprises a series of plates or leaves flexibly attached to a rotatable shaft so that they may be successively displayed as the shaft is rotated.