US PATENT SUBCLASS 280 / 228
.~.~.~.~.~ Treadmill type

Current as of: June, 1999
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280 /   HD   LAND VEHICLES

29  DF  WHEELED {21}
200  DF  .~ Occupant propelled type {8}
210  DF  .~.~ With propulsion means {15}
220  DF  .~.~.~ Movable occupant support {2}
221  DF  .~.~.~.~ Interconnected with propulsion means {4}
228.~.~.~.~.~ Treadmill type

DEFINITION

Classification: 280/228

(under subclass 221) Vehicles which are adapted to be operated by the feet of the occupant as in walking.

SEE OR SEARCH CLASS

185, Motors: Spring, Weight, or Animal Powered,

16, for belt tread operated motors.

482, Exercise Devices, particularly

54, for an exercise treadmill device.