US PATENT SUBCLASS 169 / 10
.~ Gravity

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

5  DF  FLUID SYSTEMS {7}
10.~ Gravity

DEFINITION

Classification: 169/10

(under subclass 5) Systems, wherein the source is essentially a liquid-tank not under pressure, but elevated above the distributing-pipes so that discharge will occur by gravity.