US PATENT SUBCLASS 305 / 52
.~ With roller means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


305 /   HD   WHEEL SUBSTITUTES FOR LAND VEHICLES

185  DF  TRACKS OR TREADS {14}
52.~ With roller means

DEFINITION

Classification: 305/52

(under subclass 185) Apparatus wherein a track tread has an anti-friction roller means mounted thereon adapted to contact a track supporting frame or wheel, or adapted to form the ground engaging portion of the track.

SEE OR SEARCH THIS CLASS, SUBCLASS:

122, for a frame carried track provided with roller antifriction means.