US PATENT SUBCLASS 285 / 82
.~ Auxiliary latch

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.~ Auxiliary latch {3}
83  DF  .~.~> Line pressure-responsive
84  DF  .~.~> Reciprocating {2}
87  DF  .~.~> Pivoted {1}

DEFINITION

Classification: 285/82

(under subclass 81) Subject matter comprising an auxiliary latch.

SEE OR SEARCH THIS CLASS, SUBCLASS:

305+, for a latch or catch essential to the holding of the joint parts together.