US PATENT SUBCLASS 191 / 78
.~.~.~.~ Automatic

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

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
72  DF  .~.~ Guards and finders {3}
77  DF  .~.~.~ Normally operative {2}
78.~.~.~.~ Automatic

DEFINITION

Classification: 191/78

(under subclass 77) Trolley guards and finders of the normally operative type capable of being automatically forced to the inoperative position by obstructions.

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79+,