US PATENT SUBCLASS 246 / 99
.~.~.~ Clockwork

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}
96  DF  .~.~ Electromechanical {3}
99.~.~.~ Clockwork

DEFINITION

Classification: 246/99

(under subclass 96) Subject matter having clockwork or similar trains of gearing which are made use of and are provided with electrically-actuated escapement or latch-release devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

96, 97, 98, and 263, for mechanical switch and signal motors electrically controlled.

102, 103 and 262, for mechanical-motor systems.

110, and 262+, for signals actuated by clockwork.