US PATENT SUBCLASS 238 / 304
.~ Top surface

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

287  DF  TIE-PLATES {16}
304.~ Top surface

DEFINITION

Classification: 238/304

Top-surface form and attachments for tie-plates.

SEE OR SEARCH THIS CLASS, SUBCLASS:

292, 293, 299, 301, and 303.