US PATENT SUBCLASS 246 / 261
.~ Gates

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

257  DF  FLUID-MOTOR ACTUATION {3}
261.~ Gates

DEFINITION

Classification: 246/261

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

SEE OR SEARCH THIS CLASS, SUBCLASS:

125+, and 272, for gate structure.

SEE OR SEARCH CLASS

49, Movable or Removable Closures,

334, for a fluid-motor actuated closure (gate) and see the search notes thereto for the loci of other motor operated closures.