US PATENT SUBCLASS 191 / 50
.~ Trolley

Current as of: June, 1999
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191 /   HD   ELECTRICITY: TRANSMISSION TO VEHICLES

45 R  DF  COLLECTORS {8}
50.~ Trolley {10}
51  DF  .~.~> Common wire passing
52  DF  .~.~> Detachable
53  DF  .~.~> Nonunderrunning
54  DF  .~.~> Indefinite path {2}
57  DF  .~.~> Multiple contact {1}
59  DF  .~.~> Heads {9}
64  DF  .~.~> Poles {1}
66  DF  .~.~> Stands {2}
71  DF  .~.~> Rope protectors
72  DF  .~.~> Guards and finders {3}

DEFINITION

Classification: 191/50

(under subclass 45) Collectors for cooperating with conductors placed at a substantial distance above the ground.

SEE OR SEARCH CLASS

246, Railway Switches and Signals,

9, 65, 67, and 69, and indented subclasses.