US PATENT SUBCLASS 40 / 473
.~.~ Rotatable

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.~.~ Rotatable {2}
474  DF  .~.~.~> Disk
475  DF  .~.~.~> Hinged leaves

DEFINITION

Classification: 40/473

Rotatable:

(under subclass 470) Exhibitor in which the display device is a plate, prism, or cylinder which is rotated so that the characters thereon may be successively displayed for observation.