US PATENT SUBCLASS 40 / 433
.~.~.~.~ Disk

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

427  DF  DISPLAY WITH SPECIAL EFFECTS {5}
429  DF  .~ Electromotor operated {2}
430  DF  .~.~ Rotatable {2}
431  DF  .~.~.~ Illuminated {2}
433.~.~.~.~ Disk {1}
434  DF  .~.~.~.~.~> Polarized

DEFINITION

Classification: 40/433

Disk:

(under subclass 431) Display device which includes one or more rotating disks which may act as a mask, filter, or the like.

SEE OR SEARCH THIS CLASS, SUBCLASS:

474, for changing exhibitors employing motor operated rotating disks.

495, for additional disk structure.

SEE OR SEARCH CLASS

362, Illumination,

35, for revolving illumination device, per se.