US PATENT SUBCLASS 246 / 240
.~.~ Rotary armature

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}
240.~.~ Rotary armature {3}
241  DF  .~.~.~> Opposed motors
242 R  DF  .~.~.~> Circuit changers {2}
243  DF  .~.~.~> Fly-back {1}

DEFINITION

Classification: 246/240

(under subclass 221) Subject matter in which the armature rotates or oscillates in a curvilinear path.