US PATENT SUBCLASS 238 / 240
.~.~ Angularly assembled

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

151  DF  RAIL JOINTS {28}
230  DF  .~ Scarf {5}
240.~.~ Angularly assembled {2}
241  DF  .~.~.~> Longitudinal
242  DF  .~.~.~> Lateral

DEFINITION

Classification: 238/240

The specially-formed rail ends can only be assembled by angular positioning of the rails relatively to each other.