US PATENT SUBCLASS 40 / 429
.~ Electromotor operated

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

427  DF  DISPLAY WITH SPECIAL EFFECTS {5}
429.~ Electromotor operated {2}
430  DF  .~.~> Rotatable {2}
436  DF  .~.~> Movable screen {2}

DEFINITION

Classification: 40/429

Electromotor operated:

(under subclass 427) Display device wherein the effect is created by apparatus which is operated by an electric motor.

SEE OR SEARCH THIS CLASS, SUBCLASS:

470+, for changing exhibitors which are operated in a similar manner.