US PATENT SUBCLASS 169 / 82
.~.~.~.~ Reactant container closure released by gravity

Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

30  DF  PORTABLE VESSELS {5}
71  DF  .~ Gas pressure {9}
78  DF  .~.~ Produced by chemical mixing {3}
80  DF  .~.~.~ Upon inversion of vessel {2}
82.~.~.~.~ Reactant container closure released by gravity

DEFINITION

Classification: 169/82

(under subclass 80) Apparatus wherein the housing for at least one of the substances to be mixed is provided with a closure therefor which will be removed therefrom by gravitational force upon inversion of said housing whereby the substances may be mixed to produce the necessary gas pressure to expel the agent from the container.