US PATENT SUBCLASS 246 / 473 R
SIGNALS

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

473 RSIGNALS {12}
473.1  DF  .~> Highway crossing {1}
473.3  DF  .~> Light beam projecting
474  DF  .~> Track reflectors
475  DF  .~> Dwarf or pot
476  DF  .~> Switch or switch stand
477  DF  .~> Roadway, visual, and portable
478  DF  .~> Enclosed
479  DF  .~> Semaphore {5}
486  DF  .~> Bridge warnings
487  DF  .~> Torpedoes
488  DF  .~> Trainmens' kits
473 A  DF  .~> Toy rail signals

Unofficial Alpha Subclasses: R A

DEFINITION

Classification: 246/473

(under the class definition) Subject matter having audible or visual means of communication especially adapted and intended for directing and controlling the traffic over and upon railways.

SEE OR SEARCH THIS CLASS, SUBCLASS:

14, 111, 125, 209, 260, and 292+, for signal structure.