US PATENT SUBCLASS 169 / 78
.~.~ Produced by chemical mixing

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

30  DF  PORTABLE VESSELS {5}
71  DF  .~ Gas pressure {9}
78.~.~ Produced by chemical mixing {3}
79  DF  .~.~.~> Upon inversion of internal container
80  DF  .~.~.~> Upon inversion of vessel {2}
83  DF  .~.~.~> Upon breaking internal container

DEFINITION

Classification: 169/78

(under subclass 71) Apparatus, having a plurality of separately housed substances, which may be caused to be mixed when desired, and thus caused to react chemically to produce a gas with sufficient pressure to expel the agent from the container.