US PATENT SUBCLASS 439 / 662
.~.~.~.~ Screw threads formed on cylindrical or annular 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.~.~.~.~ Screw threads formed on cylindrical or annular contact {4}
663  DF  .~.~.~.~.~> Screw-threaded center-contact type
664  DF  .~.~.~.~.~> Plug having screw-thread-coupling contact and also having resilient or spring-biased center contact
665  DF  .~.~.~.~.~> Having mutilated, irregular, interrupted, or discontinuous contact thread
666  DF  .~.~.~.~.~> Receptacle having internal screw-thread-coupling contact {1}

DEFINITION

Classification: 439/662

Screw threads formed on cylindrical or annular contact:

(under subclass 661) Coupling part wherein the screw-thread-coupling contact is in the form of a short cylindrically-shaped rod, tube, or shell; and wherein the screw threads are disposed on a curved surface of the cylindrically-shaped contact.