US PATENT SUBCLASS 40 / 484
.~.~ Rotatable
Current as of:
June, 1999
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40 /
HD
CARD, PICTURE, OR SIGN EXHIBITING
446
DF
CHANGING EXHIBITOR
{25}
482
DF
.~ Axle operated {2}
484
.~.~ Rotatable
DEFINITION
Classification: 40/484
Rotatable:
(under subclass 482) Device which comprises one or more rotating charactered drums, cylinders, prisms, etc., which successively display the characters carried thereby as they are rotated.