US PATENT SUBCLASS 439 / 257
.~.~.~ Socket

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

253  DF  SCREW COUPLING PART ENGAGED OR DISENGAGED WITHOUT ROTARY MOTION {1}
254  DF  .~ Having radially movable thread means {2}
256  DF  .~.~ Biased toward mating thread {1}
257.~.~.~ Socket

DEFINITION

Classification: 439/257

Socket:

(under subclass 256) Coupling part comprising a female part having a movable helical rib.