US PATENT SUBCLASS 246 / 260
.~ Signals

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

257  DF  FLUID-MOTOR ACTUATION {3}
260.~ Signals

DEFINITION

Classification: 246/260

(under subclass 257) Subject matter which actuates a signal.

SEE OR SEARCH THIS CLASS, SUBCLASS:

111, 125, 293, and 473, and appropriate indented subclasses, for signal structure.