US PATENT SUBCLASS 246 / 168.1
.~ Wheel slip

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

167 R  DF  CAB SIGNAL OR TRAIN CONTROL {20}
168.1.~ Wheel slip

DEFINITION

Classification: 246/168.1

Wheel slip:

(under subclass 167) Subject matter including means for generating a cab.