US PATENT SUBCLASS 246 / 258
.~ Electric control

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

257  DF  FLUID-MOTOR ACTUATION {3}
258.~ Electric control {1}
259  DF  .~.~> Car-controlled switches

DEFINITION

Classification: 246/258

(under subclass 257) Subject matter having valves which are electrically controlled.

SEE OR SEARCH THIS CLASS, SUBCLASS:

238, 244, 259, 263, 300, and 325, for electric latch and clutch release.