US PATENT SUBCLASS 37 / 204
.~.~.~ Electrified rail

Current as of: June, 1999
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37 /   HD   EXCAVATING

196  DF  SNOW OR ICE REMOVING OR GROOMING BY PORTABLE DEVICE {16}
198  DF  .~ Railway clearer {7}
203  DF  .~.~ For clearing single rail of set {3}
204.~.~.~ Electrified rail

DEFINITION

Classification: 37/204

Electrified rail:

(under subclass 203) Apparatus including an implement adapted to remove snow or ice from a rail which carries electricity.