US PATENT SUBCLASS 200 / 51.06
.~.~ Three-or-more contact coupling

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

51 R  DF  COMBINED WITH OR ACTUATED BY CONNECTOR COUPLING {10}
51.05  DF  .~ Multiple circuit control, selective {1}
51.06.~.~ Three-or-more contact coupling

DEFINITION

Classification: 200/51.06

(under subclass 51.05) Devices in which the coupling member

has three or more insulated contacts for cooperation with the contacts of a complementary coupling member.

(1) Note. This subclass includes, for example, multiple-filament lamp sockets having switching means for selectively lighting the filaments to effect different degrees of illumination.

SEE OR SEARCH CLASS

315, Electric Lamp and Discharge Devices: Systems,

64+, for such devices claimed in combination with a multiple filament lamp.

439, Electrical Connectors, 626+, for a plural-contact coupling part which may have three or more contacts.