US PATENT SUBCLASS 405 / 92
.~.~.~ Condition responsive


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



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}
92.~.~.~ Condition responsive {3}
93  DF  .~.~.~.~> To weight of liquid separated from a main body
94  DF  .~.~.~.~> To pressure on pivoted water gate {1}
96  DF  .~.~.~.~> Float {1}


DEFINITION

Classification: 405/92

Condition responsive:

(under subclass 87) Method or apparatus wherein a characteristic or a change in a characteristic is effective to change the position of the water gate.