US PATENT SUBCLASS 246 / 361
.~.~ Fluid pressure

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

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
359  DF  .~ Train trips {8}
361.~.~ Fluid pressure

DEFINITION

Classification: 246/361

(under subclass 359) Subject matter having train-trips which are moved into operative position by fluid-pressure means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

257+, and all subclasses mentioned in the search notes appended thereto, for a fluid-motor structure.