US PATENT SUBCLASS 405 / 106
.~.~.~.~.~ With lift mechanism or latch

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}
103  DF  .~.~.~ Sliding {1}
104  DF  .~.~.~.~ Vertical {2}
106.~.~.~.~.~ With lift mechanism or latch

DEFINITION

Classification: 405/106

With lift mechanism or latch:

(under subclass 104) Method or apparatus including means (a) to provide a mechanical advantage to raise the gate, or (b) to hold the gate in a predetermined position.