US PATENT SUBCLASS 238 / 235
.~.~ Vertical drop

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

151  DF  RAIL JOINTS {28}
230  DF  .~ Scarf {5}
235.~.~ Vertical drop

DEFINITION

Classification: 238/235

The specially-formed rail ends are assembled by vertical movement only.

SEE OR SEARCH THIS CLASS, SUBCLASS:

177, and 216.