US PATENT SUBCLASS 191 / 39
.~.~ Section insulators

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

Internet Version by PATENTEC © 1999      Terms of Use


191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

22 R  DF  CONDUCTORS {5}
33 R  DF  .~ Trolley {9}
39.~.~ Section insulators

DEFINITION

Classification: 191/39

(under subclass 33) Means for interrupting the electrical continuity of the trolley conductor while maintaining the uninterrupted mechanical path of the collector.

SEE OR SEARCH CLASS

238, Railways: Surface Track,

152,.