US PATENT SUBCLASS 280 / 212
.~.~.~ Added or stored energy device

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}
212.~.~.~ Added or stored energy device {2}
213  DF  .~.~.~.~> Sail attachments
214  DF  .~.~.~.~> With occupant propulsion means {1}

DEFINITION

Classification: 280/212

(under subclass 210) Vehicles in which the occupant operated propulsion means involves some means for storing energy, which energy is expended in driving the vehicle.