US PATENT SUBCLASS 439 / 699.1
.~.~.~ Having only two duplicate contacts arranged bilaterally symmetric about longitudinal axis of engagement

Current as of: June, 1999
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439 /   HD   ELECTRICAL CONNECTORS

625  DF  WITH INSULATION OTHER THAN CONDUCTOR SHEATH {10}
626  DF  .~ Plural-contact coupling part {7}
660  DF  .~.~ Plural-contact coupling part comprises receptacle or plug {12}
699.1.~.~.~ Having only two duplicate contacts arranged bilaterally symmetric about longitudinal axis of engagement {1}
699.2  DF  .~.~.~.~> Lamp-receiving socket

DEFINITION

Classification: 439/699.1

Having only two duplicate contacts arranged bilaterally symmetric about longitudinal axis of engagement:

(under subclass 660) Coupling part carrying only two identical contacts which are spaced apart and electrically insulated from one another, wherein the two contacts taken together are disposed bilaterally symmetric about the longitudinal axis along which the coupling part is intended to be engaged and coupled with its mating coupling part.

(1) Note. The bilaterally symmetric disposition of the two duplicate contacts of a plug or receptacle in this subclass also means that each contact is annularly spaced about the longitudinal axis of engagement 180 degrees from the other contact.

SEE OR SEARCH THIS CLASS, SUBCLASS:

619, for a coupling part having only two duplicate contacts arranged bilaterally symmetric about the longitudinal axis of engagement, wherein the coupling part is carried by a glasslike body.