US PATENT SUBCLASS 40 / 440
.~.~ Rotatable

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

427  DF  DISPLAY WITH SPECIAL EFFECTS {5}
439  DF  .~ Fluid operated {1}
440.~.~ Rotatable {1}
441  DF  .~.~.~> Illuminated

DEFINITION

Classification: 40/440

Rotatable:

(under subclass 439) Display device wherein the apparatus which creates the effect rotates.

SEE OR SEARCH THIS CLASS, SUBCLASS:

479, for changing exhibitors which operate in a similar manner.