US PATENT SUBCLASS 191 / 56
.~.~.~ Roller

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

45 R  DF  COLLECTORS {8}
50  DF  .~ Trolley {10}
54  DF  .~.~ Indefinite path {2}
56.~.~.~ Roller

DEFINITION

Classification: 191/56

(under subclass 54) Indefinite path trolley collectors wherein the contact element is of the roller type.

SEE OR SEARCH CLASS

492, Roll or Roller, for a roll, per se, not elsewhere provided for, and see the notes thereunder.