US PATENT SUBCLASS 246 / 138
.~.~.~.~ Locked slide

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

131  DF  INTERLOCKING {8}
132  DF  .~ Electric actuation {2}
136  DF  .~.~ Mechanical locking {1}
137  DF  .~.~.~ Return-release indication {1}
138.~.~.~.~ Locked slide

DEFINITION

Classification: 246/138

(under subclass 137) Subject matter in which the release-locking is applied to sliding members which actuate the circuit-closers.

SEE OR SEARCH THIS CLASS, SUBCLASS:

135, 137, 141, and 142, for return-release indication.

222, for return-indication-current generation.