(under subclass 493) Device including display items disposed to extend in a direction tangential to or concentric with the rotational axis of its carrier.
SEE OR SEARCH THIS CLASS, SUBCLASS:
495, for a device wherein the carrier includes a surface disposed perpendicular to its rotational axis (e.g., face of a disk, etc.), and the items are disposed on that surface.
503, for a similar device including plural cylindrical or polygonal carriers.
