US PATENT SUBCLASS 405 / 121
.~.~.~.~ Joint

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}
118  DF  .~.~ Open channel {1}
119  DF  .~.~.~ Flume {2}
121.~.~.~.~ Joint {1}
122  DF  .~.~.~.~.~> Including U-clamp {1}

DEFINITION

Classification: 405/121

Joint:

(under subclass 119) Method or apparatus relating to the connection or seal between sections of a flume.

SEE OR SEARCH CLASS

285, Pipe Joints or Couplings, appropriate subclass for joints in closed conduits.