US PATENT SUBCLASS 238 / 350
.~.~ Integral with tie

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

310  DF  FASTENINGS {12}
338  DF  .~ Clamps {13}
350.~.~ Integral with tie

DEFINITION

Classification: 238/350

Rail-engaging lugs made integrally with the tie.