US PATENT SUBCLASS 102 / 330
.~.~.~.~ Automatically operated

Current as of: June, 1999
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102 /   HD   AMMUNITION AND EXPLOSIVES

301  DF  BLASTING {11}
325  DF  .~ Contained pressurized fluid blasting charge {3}
328  DF  .~.~ Contained fluid exit seal controlled by fluid pressure {1}
329  DF  .~.~.~ Valve-type seal {1}
330.~.~.~.~ Automatically operated

DEFINITION

Classification: 102/330

Automatically operated:

(under subclass 329) Subject matter wherein the valve is operated without human intervention as a result of the pressure in the container reaching a preset valve.

SEE OR SEARCH CLASS

251, Valves and Valve Actuation,

12+, for fluid actuated valves.