US PATENT SUBCLASS 144 / 133.3
.~ Traveling on railway track

Current as of: June, 1999
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144 /   HD   WOODWORKING

133.1  DF  GAINING MACHINE {2}
133.3.~ Traveling on railway track

DEFINITION

Classification: 144/133.3

Traveling on railway track:

(under subclass 133.1) Machine supported and transported by wheels adapted to roll along a railroad.