US PATENT SUBCLASS 472 / 89
.~ For wheeled vehicle (e.g., for bicycle, roller skate, etc.)

Current as of: June, 1999
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472 /   HD   AMUSEMENT DEVICES

88  DF  SURFACE FOR WHEELED OR GLIDING VEHICLE {2}
89.~ For wheeled vehicle (e.g., for bicycle, roller skate, etc.)

DEFINITION

Classification: 472/89

For wheeled vehicle (e.g., for bicycle, roller skate, etc.):

(under subclass 88) Amusement device wherein the surface is specifically adapted and intended to support and be rollingly engaged by a mobile, person-carrying conveyance having a wheel type support member upon which it rolls over the surface.

(1) Note. Generally, the surfaces found here include bicycle, motorcycle, or automobile tracks; and roller skating or skateboarding rinks or tracks.