US PATENT SUBCLASS 405 / 115
.~.~.~ Flexible

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}
107  DF  .~.~ Artificial water barrier (e.g., dam, levee, etc.) {7}
115.~.~.~ Flexible

DEFINITION

Classification: 405/115

Flexible:

(under subclass 107) Method or apparatus wherein a portion of the barrier bends in response to forces exerted upon it by the obstructed stream.