US PATENT SUBCLASS 180 / 191
.~.~.~ Protruding from member

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}
186  DF  .~ With at least one surface-engaging propulsion element {6}
190  DF  .~.~ Endless track type element {3}
191.~.~.~ Protruding from member

DEFINITION

Classification: 180/191

Protruding from member:

(under subclass 190) Vehicle in which a portion of the chain or belt passes through and projects slightly below an opening in the member or members.