US PATENT SUBCLASS 238 / 107
.~ Insulation

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

29  DF  TIES {9}
107.~ Insulation {1}
108  DF  .~.~> Sectional tie

DEFINITION

Classification: 238/107

Railway-tie, tie-plate and rail insulation.

(1) Note. This does not include rail-joint insulation which may be found in this class, subclasses 152 to 161, inclusive.