US PATENT SUBCLASS 246 / 475
.~ Dwarf or pot


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

Internet Version by PATENTEC © 1999      Terms of Use



246 /   HD   RAILWAY SWITCHES AND SIGNALS

473 R  DF  SIGNALS {12}
475.~ Dwarf or pot


DEFINITION

Classification: 246/475

(under subclass 473) Subject matter having "drawf" or "pot" signals, so called which are low compact signals placed at switches and used mostly in yards where switches are operated from towers.