US PATENT SUBCLASS 246 / 235
.~.~.~.~.~ Circuit controller

Current as of: June, 1999
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246 /   HD   RAILWAY SWITCHES AND SIGNALS

218  DF  ELECTRIC ACTUATION {9}
221  DF  .~ Motor systems {5}
225  DF  .~.~ Reciprocating armature {4}
231  DF  .~.~.~ Opposed magnets {3}
234  DF  .~.~.~.~ Parallel contacts, switches {1}
235.~.~.~.~.~ Circuit controller

DEFINITION

Classification: 246/235

(under subclass 234) Subject matter for switches and having an electric switch or shunt circuit controller mechanism on the car, whereby the proper solenoid or magnet may be energized.