US PATENT SUBCLASS 246 / 95
.~.~.~ Track-circuit control

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

20  DF  BLOCK-SIGNAL SYSTEMS {4}
27  DF  .~ Automatic {5}
93  DF  .~.~ Combined fluid pessure and electric {2}
95.~.~.~ Track-circuit control

DEFINITION

Classification: 246/95

(under subclass 93) Systems which are controlled through track-circuits.

SEE OR SEARCH THIS CLASS, SUBCLASS:

26, 34+, 41+, 58+, 70, 94, 98, 128, 129, and 130, for track-circuit control.

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