US PATENT SUBCLASS 285 / 83
.~.~ Line pressure-responsive

Current as of: June, 1999
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285 /   HD   PIPE JOINTS OR COUPLINGS

81  DF  WITH MEANS BLOCKING RELEASE OF HOLDING MEANS {5}
82  DF  .~ Auxiliary latch {3}
83.~.~ Line pressure-responsive

DEFINITION

Classification: 285/83

(under subclass 82) Subject matter responsive to the line pressure.

SEE OR SEARCH THIS CLASS, SUBCLASS:

102, for a line pressure responsive catch combined with a fluid pressure seal.

105, for a packing actuated pipe gripping means wherein the packing is responsive to line pressure.

306, for a line pressure responsive catch essential to the joint.