US PATENT SUBCLASS 246 / 470
.~.~ Clamped

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

454  DF  CROSSINGS, FROGS, AND MATES {11}
468  DF  .~ Frogs {3}
470.~.~ Clamped

DEFINITION

Classification: 246/470

(under subclass 468) Subject matter having rail frogs which have spacing-fillers whose parts are secured in position by clamps or clamps and wedges.