US PATENT SUBCLASS 238 / 164
.~ Welded

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

151  DF  RAIL JOINTS {28}
164.~ Welded

DEFINITION

Classification: 238/164

The rail ends may be welded together or the joint members may be welded to one or both of the rail ends.