US PATENT SUBCLASS 246 / 336
.~.~.~ Longitudinal motion

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}
314  DF  .~ Switches, automatic {6}
322  DF  .~.~ Track mechanism {13}
336.~.~.~ Longitudinal motion {4}
337  DF  .~.~.~.~> Train-trip elevation
338  DF  .~.~.~.~> Track-mechanism depression
339  DF  .~.~.~.~> Perpendicular swing {1}
341  DF  .~.~.~.~> Horizontal swing {2}

DEFINITION

Classification: 246/336

(under subclass 322) Subject matter including switches actuated by track devices which move longitudinally in the direction of the traffic.

SEE OR SEARCH THIS CLASS, SUBCLASS:

301, 306, 311+, and 336+, for longitudinally-moving track mechanism.