US PATENT SUBCLASS 191 / 68
.~.~.~ Spring erector

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

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
66  DF  .~.~ Stands {2}
68.~.~.~ Spring erector {2}
69  DF  .~.~.~.~> Torsion
70  DF  .~.~.~.~> Tension or compression

DEFINITION

Classification: 191/68

(under subclass 66) Trolley stands wherein the erecting or operating means is of the mechanical spring type.

SEE OR SEARCH THIS CLASS, SUBCLASS:

85, and 86, and indented subclasses.