(under subclass 295) Apparatus including a groove along the length of the guideway adapted to be engaged by a protuberance on the vehicle to maintain the vehicle on the guideway.
SEE OR SEARCH CLASS
238, Railways: Surface Track,
10, for portable track structure having slots to guide vehicles.
463, Amusement Devices: Games,
58+, for portable track structure and steerable cars claimed in combination with a game feature (e.g., lap counter, clock, plural simultaneous racing cars, etc.).
