US PATENT SUBCLASS 238 / 69
.~.~.~ Inverted

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


238 /   HD   RAILWAYS: SURFACE TRACK

29  DF  TIES {9}
54  DF  .~ Cross section {6}
67  DF  .~.~ T-shape {2}
69.~.~.~ Inverted

DEFINITION

Classification: 238/69

Ties having cross-sectional form of inverted-T shape.