US PATENT SUBCLASS 405 / 101
.~.~.~.~.~ Overflow

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}
99  DF  .~.~.~ Swinging {1}
100  DF  .~.~.~.~ About horizontal axis {1}
101.~.~.~.~.~ Overflow {1}
102  DF  .~.~.~.~.~.~> Collapsible

DEFINITION

Classification: 405/101

Overflow:

(under subclass 100) Method or apparatus wherein the liquid flows over the top of the water gate when it is opened.