US PATENT SUBCLASS 238 / 186
.~.~ Base-connected

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

151  DF  RAIL JOINTS {28}
185  DF  .~ Z-form {1}
186.~.~ Base-connected

DEFINITION

Classification: 238/186

(under subclass 185) with the exception that the downwardly-extending stiffening- flanges are connected together, but without effecting engagement with the underside of the rail-base.