US PATENT SUBCLASS 238 / 65
.~.~ I-beam

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

29  DF  TIES {9}
54  DF  .~ Cross section {6}
65.~.~ I-beam {1}
66  DF  .~.~.~> Rolled

DEFINITION

Classification: 238/65

Ties having cross-sectional form of I-beam shape.

SEE OR SEARCH CLASS

428, Stock Material or Miscellaneous Articles,

598, for metallic stock of "T" or "I" cross-section.