US PATENT SUBCLASS 439 / 666
.~.~.~.~.~ Receptacle having internal screw-thread-coupling contact

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}
661  DF  .~.~.~ Having screw-thread-coupling contact {1}
662  DF  .~.~.~.~ Screw threads formed on cylindrical or annular contact {4}
666.~.~.~.~.~ Receptacle having internal screw-thread-coupling contact {1}
667  DF  .~.~.~.~.~.~> And also having resilient or spring-biased center contact

DEFINITION

Classification: 439/666

Receptacle having internal screw-thread-coupling contact:

(under subclass 662) Coupling part in the form of a receptacle having the cylindrically-shaped, screw-thread-coupling contact forming the female portion of the receptacle, screw threads being disposed on the interior surface portion of the contact.