US PATENT SUBCLASS 238 / 29
TIES


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

29TIES {9}
30  DF  .~> Forms {12}
50  DF  .~> Rods {3}
54  DF  .~> Cross section {6}
82  DF  .~> Corrugated
83  DF  .~> Nonmetallic {1}
104  DF  .~> End closures
105  DF  .~> Spacers
106  DF  .~> Anchor lugs and ribs
107  DF  .~> Insulation {1}


DEFINITION

Classification: 238/29

Transverse rail-supporting beams or members for parallel railway-rails.