US PATENT SUBCLASS 405 / 107
.~.~ Artificial water barrier (e.g., dam, levee, etc.)

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.~.~ Artificial water barrier (e.g., dam, levee, etc.) {7}
108  DF  .~.~.~> Having spillway
109  DF  .~.~.~> Having impervious core
110  DF  .~.~.~> Hollow or buttressed {2}
113  DF  .~.~.~> Tension stayed
114  DF  .~.~.~> Connectable sections
115  DF  .~.~.~> Flexible
116  DF  .~.~.~> In situ construction {1}

DEFINITION

Classification: 405/107

Artificial water barrier (e.g., dam, levee, etc.):

(under subclass 80) Method or apparatus relating to a fixed artificial construction placed to obstruct the flow of a body of water so as to stop substantially all flow or to prevent lateral spreading of the body of water.

SEE OR SEARCH THIS CLASS, SUBCLASS:

87, for apparatus for regulating the volume rate of fluid moving in an open channel.