US PATENT SUBCLASS 439 / 429
.~.~.~ Screw threads engage conductor

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

387  DF  CONTACT COMPRISING CUTTER (SEVERING, PIERCING, ABRADING, SCRAPING, BREAKING OR TEARING) {10}
427  DF  .~ Axially penetrating the elongated conductor {2}
428  DF  .~.~ Comprising screw or screw operated means {1}
429.~.~.~ Screw threads engage conductor

DEFINITION

Classification: 439/429

Screw threads engage conductor:

(under subclass 428) Electrical connector wherein the rib

edge is utilized to penetrate and make electrical contact.