US PATENT SUBCLASS 180 / 192
.~.~.~ Plural tracks with interconnected drive or support means

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}
192.~.~.~ Plural tracks with interconnected drive or support means

DEFINITION

Classification: 180/192

Plural tracks with interconnected drive or support means:

(under subclass 190) Vehicle including plural, individual track type elements having interjoined drive or support means.