US PATENT SUBCLASS 439 / 301
.~ Retaining means requiring destruction of element before separation

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

296  DF  WITH COUPLING MOVEMENT-ACTUATING MEANS OR RETAINING MEANS IN ADDITION TO CONTACT OF COUPLING PART {15}
301.~ Retaining means requiring destruction of element before separation {1}
302  DF  .~.~> Threaded coupling part {1}

DEFINITION

Classification: 439/301

Retaining means requiring destruction of element before separation:

(under subclass 296) Coupling part adapted to couple with a mating part and including provision such that the parts cannot be uncoupled without breaking or otherwise destroying an element associated therewith.

SEE OR SEARCH THIS CLASS, SUBCLASS:

133+, for an electrical connector with a device, e.g.., a key or combination lock, to prevent connection.