US PATENT SUBCLASS 238 / 372
.~.~ Screw


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

310  DF  FASTENINGS {12}
366  DF  .~ Spikes {9}
372.~.~ Screw {1}
373  DF  .~.~.~> Sockets


DEFINITION

Classification: 238/372

Screw-spikes not adapted for general use, but only as track-fastening devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

303,