US PATENT SUBCLASS 200 / 19.37
.~ Traffic signal

Current as of: June, 1999
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200 /   HD   ELECTRICITY: CIRCUIT MAKERS AND BREAKERS

19.01  DF  PERIODIC {13}
19.37.~ Traffic signal

DEFINITION

Classification: 200/19.37

Traffic signal:

(under subclass 19.01) Subject matter wherein the circuit breaker produces a set of signals operating the movement of vehicles, ships, or persons in an area.