US PATENT SUBCLASS 238 / 215
.~.~ Center seat

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

151  DF  RAIL JOINTS {28}
209  DF  .~ Base plate {8}
215.~.~ Center seat

DEFINITION

Classification: 238/215

The base-plate is usually depressed at the center and carries a support directly under the abutting rail ends.