US PATENT SUBCLASS 246 / 292
.~ Signals and gates, automatic

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


246 /   HD   RAILWAY SWITCHES AND SIGNALS

270 R  DF  VEHICLE-ENERGY ACTUATION {11}
292.~ Signals and gates, automatic {2}
293  DF  .~.~> Highway crossing {2}
297  DF  .~.~> Track mechanism {7}

DEFINITION

Classification: 246/292

(under subclass 270) Subject matter including signals or gates which are automatically actuated by the energy of a moving vehicle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

144, 278, 284, 290, and 393+, for switch-stand structure.

SEE OR SEARCH CLASS

49, Movable or Removable Closures, appropriate subclasses, for closure-actuating means.