US PATENT SUBCLASS 169 / 35
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Current as of: June, 1999
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169 /   HD   FIRE EXTINGUISHERS

30  DF  PORTABLE VESSELS {5}
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DEFINITION

Classification: 169/35

(under subclass 30) Vessels for containing an extinguishing agent, usually a powder, which is discharged from one end of the vessel either by so shaking it as to throw the contents on the fire or by means of small explosive charges buried in the contents.

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28, for devices of the latter type designed for both automatic operation and hand use.