US PATENT SUBCLASS 70 / 176
.~.~.~ Locked stationary

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.~.~.~ Locked stationary {3}
177  DF  .~.~.~.~> Externally mounted locking device {1}
179  DF  .~.~.~.~> Housing-carried lock
180  DF  .~.~.~.~> With padlock

DEFINITION

Classification: 70/176

(under subclass 175) Subject matter wherein the valve is secured in stationary position when locked.