US PATENT SUBCLASS 169 / 46
.~ Of extinguishing fire


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

43  DF  PROCESSES {3}
46.~ Of extinguishing fire {1}
47  DF  .~.~> By projecting extinguishant directly onto seat of fire


DEFINITION

Classification: 169/46

(under subclass 43) Methods for putting out a fire which has already started.

(1) Note. This subclass takes a process where the extinguishant is introduced to the area surrounding the fire or a subsurface of the matter on fire after which the extinguishant seeks out the seat of the fire.

(2) Note. This subclass takes a process where the extinguishing material is present at the fire but in not active until it is acted upon by fire.