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.