US PATENT SUBCLASS 315 / 320
.~.~ Plural switches

Current as of: June, 1999
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315 /   HD   ELECTRIC LAMP AND DISCHARGE DEVICES: SYSTEMS

312  DF  PLURAL LOAD DEVICE SYSTEMS {3}
313  DF  .~ Electric switch in the supply circuit {5}
320.~.~ Plural switches {1}
321  DF  .~.~.~> Master circuit closing switch

DEFINITION

Classification: 315/320

(under subclass 313) Systems having two or more switches connected in the circuit between the source of supply and the load devices.

(1) Note. The system may have a switch in the circuit between each load device and the source of supply or there may be a plurality of switches in the circuit between the source of supply and one or more of the load devices.

SEE OR SEARCH THIS CLASS, SUBCLASS:

314, and indented subclass, where the system includes preselectable switch means.