US PATENT SUBCLASS 70 / 175
.~.~ Valve

Current as of: June, 1999
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70 /   HD   LOCKS

57  DF  SPECIAL APPLICATION {7}
174  DF  .~ For control and machine elements {8}
175.~.~ Valve {1}
176  DF  .~.~.~> Locked stationary {3}

DEFINITION

Classification: 70/175

(under subclass 174) Subject matter relating to valve construction.

SEE OR SEARCH CLASS

137, Fluid Handling,

384.2+, for locking mechanism, which provides a handle or manipulator for the valve in unlocked condition, the moving of the lock manipulator simultaneously operates the valve or there is specific, significant valve structure.