US PATENT SUBCLASS 315 / 216
.~.~.~ Plural electrically operated switches

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

209 R  DF  PERIODIC SWITCH IN THE SUPPLY CIRCUIT {11}
210  DF  .~ Plural load device systems {2}
211  DF  .~.~ Distributor type periodic switch means {3}
216.~.~.~ Plural electrically operated switches

DEFINITION

Classification: 315/216

(under subclass 211) Systems in which the distributor type periodic switch means comprises two or more switches each of which periodically interrupts the supply to one or more of the load devices, the switches having electrical operating means (such as an electromagnet or electrically heated thermostat) and means causing the electrical operating means to operate the switches in time sequence with respect to each other.

SEE OR SEARCH THIS CLASS, SUBCLASS:

214, and 215, for such systems having an additional periodic switch to control energy delivered either to or from the distributor switch means.

226, for single load device systems under subclass 209 having a plurality of periodic switches or a multiple contact periodic switch in the supply circuit of the load device.