US PATENT SUBCLASS 238 / 161
.~.~.~ In channel

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

151  DF  RAIL JOINTS {28}
152  DF  .~ Insulated {3}
159  DF  .~.~ Splice bars {2}
161.~.~.~ In channel

DEFINITION

Classification: 238/161

(under subclass 159) Insulated rail-joints are seated in channel-iron sections which may be integral or made up of two angles underlying the joint.