US PATENT SUBCLASS 70 / 179
.~.~.~.~ Housing-carried lock

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  DF  .~.~ Valve {1}
176  DF  .~.~.~ Locked stationary {3}
179.~.~.~.~ Housing-carried lock

DEFINITION

Classification: 70/179

(under subclass 176) Devices having the locking mechanism carried by the valve housing.