US PATENT SUBCLASS 305 / 51
.~ With street plate

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

185  DF  TRACKS OR TREADS {14}
51.~ With street plate

DEFINITION

Classification: 305/51

(under subclass 185) Apparatus comprising an attachment secured to a track tread to prevent ground penetrating cleats on the track tread from cutting into a road surface.