US PATENT SUBCLASS 411 / 434
.~.~.~ Moved by fluent pressure

Current as of: June, 1999
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411 /   HD   EXPANDED, THREADED, DRIVEN, HEADED, TOOL-DEFORMED, OR LOCKED-THREADED FASTENER

427  DF  INTERNALLY THREADED FASTENER ELEMENT, E.G., NUT, ETC. {5}
432  DF  .~ Multipart {1}
433  DF  .~.~ Including movable threaded segments {1}
434.~.~.~ Moved by fluent pressure

DEFINITION

Classification: 411/434

Moved by fluent pressure:

(under subclass 433) Subject matter wherein the fastener means is further adapted to separate by the use of a pressurized fluid or flowable substance.