US PATENT SUBCLASS 439 / 322
.~.~.~ Coupling part having concentric contacts

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


439 /   HD   ELECTRICAL CONNECTORS

296  DF  WITH COUPLING MOVEMENT-ACTUATING MEANS OR RETAINING MEANS IN ADDITION TO CONTACT OF COUPLING PART {15}
312  DF  .~ Coupling part with relatively pivotable concentric movement-actuating or retaining ring {3}
320  DF  .~.~ Threaded ring or ring adapted to engage threaded mating part {3}
322.~.~.~ Coupling part having concentric contacts

DEFINITION

Classification: 439/322

Coupling part having concentric contacts:

(under subclass 320) Coupling part including a first contact surface and a second contact surface, each of which is circular about a common axis at a cross-section therethrough.