US PATENT SUBCLASS 411 / 19
.~ Fluent pressure actuated


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

15  DF  HAVING SEPARATE EXPANDER MEANS {13}
19.~ Fluent pressure actuated {1}
20  DF  .~.~> Explosive


DEFINITION

Classification: 411/19

Fluent pressure actuated:

(under subclass 15) Subject matter wherein the holding device or anchor has a chamber therein, and expansion is caused by fluent pressure applied within the chamber.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391, for an externally threaded fastener element (e.g., a bolt or screw) having fluent pressure separating means.

434, for an internally threaded fastener element (e.g., a nut) having plural moveable parts moved by fluent pressure.