US PATENT SUBCLASS 104 / 137
TRAVELING TRACK

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

Internet Version by PATENTEC © 1999      Terms of Use


104 /   HD   RAILWAYS

137TRAVELING TRACK

DEFINITION

Classification: 104/137

(under the class definition) Railways in which a traveling track is interposed between a bottom fixed track and a traveling vehicle.