US PATENT SUBCLASS 238 / 152
.~ Insulated

Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

151  DF  RAIL JOINTS {28}
152.~ Insulated {3}
153  DF  .~.~> Transverse abutting
154  DF  .~.~> Chair {2}
159  DF  .~.~> Splice bars {2}

DEFINITION

Classification: 238/152

Insulating means for rail-joints to prevent electric current from passing through the joint from one to the other of the joined rails.