US PATENT SUBCLASS 405 / 47
.~.~ Flow through joint

Current as of: June, 1999
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405 /   HD   HYDRAULIC AND EARTH ENGINEERING

36  DF  DRAINAGE OR IRRIGATION {7}
43  DF  .~ Porous or apertured pipe, flume, or tileway {6}
47.~.~ Flow through joint

DEFINITION

Classification: 405/47

Flow through joint:

(under subclass 43) Method or apparatus wherein the water-conducting member is comprised of serially arranged

segments, and the water is removed from or applied to the solid through a space between adjacent ends of said segments.