US PATENT SUBCLASS 246 / 63 C
.~.~.~.~.~ Continuous

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

20  DF  BLOCK-SIGNAL SYSTEMS {4}
27  DF  .~ Automatic {5}
28 R  DF  .~.~ Electric {18}
62  DF  .~.~.~ Cab signal or train control {7}
63 R  DF  .~.~.~.~ Inductive {2}
63 C.~.~.~.~.~ Continuous

Unofficial Alpha Subclasses: R C A

DEFINITION

Classification: 246/63

(under subclass 62) Systems in which an inductive relation is established between the train and the line, no physical connection being maintained between them.

SEE OR SEARCH THIS CLASS, SUBCLASS:

8, and 194, for inductive systems.

167+, and all subclasses mentioned in the search notes appended thereto, for cab and control features.

SEE OR SEARCH CLASS

336, Inductor Devices, appropriate subclasses for the structure of transformers and inductive reactors.