US PATENT SUBCLASS 405 / 89
.~.~.~ Uniform discharge
Current as of:
June, 1999
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405 /
HD
HYDRAULIC AND EARTH ENGINEERING
52
DF
FLUID CONTROL, TREATMENT, OR CONTAINMENT
{7}
80
DF
.~ Flow control {7}
87
DF
.~.~ Water gate or adjustable weir {7}
89
.~.~.~ Uniform discharge
DEFINITION
Classification: 405/89
Uniform discharge:
(under subclass 87) Method or apparatus wherein the water gate passes only a specific or predetermined volume of liquid.