US PATENT SUBCLASS 238 / 61
.~.~.~ Rolled

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}
59  DF  .~.~ Channel flange down {2}
61.~.~.~ Rolled

DEFINITION

Classification: 238/61

(under subclass 59) except that the channels are of rolled metallic sections.