US PATENT SUBCLASS 238 / 174
.~ Variable levels

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

151  DF  RAIL JOINTS {28}
174.~ Variable levels

DEFINITION

Classification: 238/174

Vertically-shifting rail-joints for use with turn-bridges, turn-tables, track-scales, etc., where the level of the abutting rail ends is variable.