US PATENT SUBCLASS 439 / 692
.~.~.~ 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}
660  DF  .~.~ Plural-contact coupling part comprises receptacle or plug {12}
692.~.~.~ Plug having spaced, longitudinally engaging, prong-like contacts {4}
693  DF  .~.~.~.~> With insulative covering about part of protruding portion of each contact
694  DF  .~.~.~.~> Having wire conductor receiving passageway extending perpendicular to longitudinal axes of contacts
695  DF  .~.~.~.~> Having multipart insulating body {1}
697  DF  .~.~.~.~> Having means other than screw-threaded means for securing wire-type conductor to contact

DEFINITION

Classification: 439/692

Plug having spaced, longitudinally engaging, prong-like contacts:

(under subclass 660) Coupling part in the form of a plug

having extending therefrom at least two spaced, elongated, fingerlike contacts whose longitudinal axes are parallel to the longitudinal axis along which the one coupling part is intended to be linearly pushed toward and into engagement with its mating coupling part, and wherein the contacts of the plug are slidingly engaged along the longitudinal axes thereof by the counter-contacts of the mating receptacle whenever the one coupling part is pushed into embracing relationship with its mating coupling part.

SEE OR SEARCH THIS CLASS, SUBCLASS:

106+, for a three-prong coupling part including a ground prong.

149+, for an electrical connector combined with a prong cover.

266+, for a coupling part having a handle or means to move a contact laterally to permit uncoupling, and see the Search Notes appended thereto for the bases of lamps or electron tubes.

374+, for a coupling part with guiding means for mating with a complementary coupling part.

568, for a coupling part supported by a randomly manipulated appliance (e.g.., electric iron). 597+, for a coupling part including flexing insulation and having plural, laterally spaced, prongs.

617+, for a plug having spaced, longitudinally engaging, prong contacts combined with a vitreous-type envelope.

638+, particularly subclasses 647, 651+ and 655, for a single unitary device which includes two or more plural-contact coupling parts, at least one of the coupling parts being a spaced-prong plug.