US PATENT SUBCLASS 238 / 220
.~.~ Rail-head cover

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

151  DF  RAIL JOINTS {28}
218  DF  .~ Tread bridge {7}
220.~.~ Rail-head cover

DEFINITION

Classification: 238/220

A thin sheet-metal tread covering is placed over the abutting rail ends.