US PATENT SUBCLASS 303 / 18
EXTERIOR CONTROL

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

Internet Version by PATENTEC © 1999      Terms of Use


303 /   HD   FLUID-PRESSURE AND ANALOGOUS BRAKE SYSTEMS

18EXTERIOR CONTROL {1}
19  DF  .~> Deadman type

DEFINITION

Classification: 303/18

Control of system of distribution by appliances outside of and not forming part of the system.

SEE OR SEARCH CLASS

246, Railway Switches and Signals, particularly

167+,.