US PATENT SUBCLASS 40 / 503
.~.~ Plural cylindrical or polygonal rotatable carrier

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

446  DF  CHANGING EXHIBITOR {25}
493  DF  .~ Rotatable carrier for display item {7}
503.~.~ Plural cylindrical or polygonal rotatable carrier {1}
504  DF  .~.~.~> Biaxial {1}

DEFINITION

Classification: 40/503

Plural cylindrical or polygonal rotatable carrier:

(under subclass 493) Device including two or more rotatable carriers each with the items disposed to extend in a direction tangential to or concentric with the axis of its carrier (e.g., card or indicia on cylindrical or polygonal drums, conventional odometer, etc.).

SEE OR SEARCH THIS CLASS, SUBCLASS:

495, for a rotatable carrier wherein the display items are disposed to extend in a direction perpendicular to the axis of rotation of the carrier.