US PATENT SUBCLASS 238 / 33
.~.~.~ Pivoted ends

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

29  DF  TIES {9}
30  DF  .~ Forms {12}
31  DF  .~.~ Jointed {2}
33.~.~.~ Pivoted ends

DEFINITION

Classification: 238/33

The ends of the tie are pivotally connected to the middle portion of the tie, adjacent each rail-base.

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