US PATENT SUBCLASS 405 / 125
.~.~.~ Terminal or head

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}
124  DF  .~.~ Culvert {2}
125.~.~.~ Terminal or head

DEFINITION

Classification: 405/125

Terminal or head:

(under subclass 124) Method or apparatus including specific structure at the culvert inlet or outlet.