US PATENT SUBCLASS 305 / 120
WITH FRAME CARRIED ENDLESS TRACK

Current as of: June, 1999
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305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

120WITH FRAME CARRIED ENDLESS TRACK {1}
121  DF  .~> With roller antifriction means {2}

DEFINITION

Classification: 305/120

WITH FRAME CARRIED ENDLESS TRACK:

(under the class definition) Apparatus including a flexible continuous band guided or supported by a basic structural unit made up of a plurality of beams, plates, or angle irons.

SEE OR SEARCH CLASS

180, Motor Vehicles,

193, for an endless track type element with a vertically movable track support.