US PATENT SUBCLASS 180 / 184
.~.~ With propulsion element of endless track type


Current as of: June, 1999
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180 /   HD   MOTOR VEHICLES

182  DF  INCLUDING ONE OR MORE SKI-LIKE OR RUNNER MEMBERS {2}
183  DF  .~ Member substitutable for wheel type support structure {1}
184.~.~ With propulsion element of endless track type {1}
185  DF  .~.~.~> Track comprises substitute for or addition to propulsion element of traction wheel type


DEFINITION

Classification: 180/184

With propulsion element of endless track type:

(under subclass 183) Vehicle provided with a driven endless belt or chain type propulsion element, which describes a path determined by two or more longitudinally spaced drive and idler wheels (i.e., the end wheels) around which it passes, and which directly engages the supporting surface.