US PATENT SUBCLASS 238 / 31
.~.~ Jointed

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

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

DEFINITION

Classification: 238/31

The ties have joints in the tie-body between the rails.

SEE OR SEARCH THIS CLASS, SUBCLASS:

35, for multiplicity of tie-joints, and 108 for insulated tie-joints.