US PATENT SUBCLASS 303 / 76
.~.~.~ Motorman valve 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

*  DD  RELEASING {3}
68  DF  .~ Motor {5}
75  DF  .~.~ Preventers {4}
76.~.~.~ Motorman valve control

DEFINITION

Classification: 303/76

Devices for preventing the release of the motor by means of the manipulation of a valve under the control of the motorman.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8, for other patents having this type of release-preventers.