US PATENT SUBCLASS 104 / 236
.~.~.~ Sprocket wheel

Current as of: June, 1999
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104 /   HD   RAILWAYS

165  DF  TRACTION {8}
173.1  DF  .~ Cable {22}
202  DF  .~.~ Grippers {19}
236.~.~.~ Sprocket wheel

DEFINITION

Classification: 104/236

(under subclass 202) Cable apparatus in which a sprocket-wheel on the car engages a cable, to which are affixed buttons or stops adapted to engage the sprocket-wheel.