US PATENT SUBCLASS 315 / 68
.~.~ Three or more controlled filament circuits

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

32  DF  COMBINED LOAD DEVICE OR LOAD DEVICE TEMPERATURE MODIFYING MEANS AND ELECTRICAL CIRCUIT DEVICE STRUCTURE {19}
64  DF  .~ Multiple filament load devices {5}
68.~.~ Three or more controlled filament circuits

DEFINITION

Classification: 315/68

(under subclass 64) Multiple filament load devices provided

with three or more filaments and with means for connecting all or a selected number only of the total number of filaments to the supply circuit.

SEE OR SEARCH THIS CLASS, SUBCLASS:

317, and indented subclasses for miscellaneous load device systems under the class definition provided with switch means for controlling the circuits of three or more load devices.

SEE OR SEARCH CLASS

200, Electricity: Circuit Makers and Breakers,

51.03, and indented subclass and subclass 51.06, for electric coupling devices, such as plugs, sockets, et cetera, combined with either single or plural switch means in a unitary structure, or which are capable of functioning as a switch, and which may be operated so as to open or close a selected part only of three or more circuits under control of the switch means.