US PATENT SUBCLASS 238 / 283
.~ Cushions

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

264  DF  RAIL SEATS {15}
283.~ Cushions {2}
284  DF  .~.~> Metal springs
285  DF  .~.~> Wood blocks

DEFINITION

Classification: 238/283

Cushions and yielding supports for rails or rail-seats.