US PATENT SUBCLASS 439 / 650
.~.~.~ Unit includes receptacle for receiving plug having spaced, longitudinally engaging, prong-like contacts

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}
638  DF  .~.~ Two or more plural-contact coupling parts combined in one integral unit {6}
650.~.~.~ Unit includes receptacle for receiving plug having spaced, longitudinally engaging, prong-like contacts {3}
651  DF  .~.~.~.~> Combined with plug having spaced, longitudinally engaging, prong-like contacts {1}
653  DF  .~.~.~.~> Combined with diverse type of coupling part
654  DF  .~.~.~.~> Having receptacle at each of parallel opposed surfaces or sides

DEFINITION

Classification: 439/650

Unit includes receptacle for receiving plug having spaced, longitudinally engaging, pronglike contacts:

(under subclass 638) Device wherein at least one of the plural-contact coupling parts contained within the single unitary structure comprises a receptacle adapted to be coupled to a complementary plug having extending therefrom at least two spaced, elongated, fingerlike counter-contacts whose longitudinal axes are parallel to the longitudinal axis along which the one coupling part is intended to be pushed toward and thereby into engagement with other, and wherein the receptacle has at least two correspondingly spaced contacts for slidingly engaging the elongated fingerlike counter-contacts along the longitudinal axes thereof whenever the one coupling part is longitudinally pushed into embracing relationship with the other.

(1) Note. Many of the devices included herein are known the art as "duplex receptacles."

SEE OR SEARCH THIS CLASS, SUBCLASS:

107, for a duplex receptacle with a safety grounding

provision.