US PATENT SUBCLASS 239 / 729
.~.~.~.~ With noncircular coverage

Current as of: June, 1999
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239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

722  DF  MOBILE DISTRIBUTOR {3}
723  DF  .~ Irrigation device {3}
726  DF  .~.~ Nozzles spaced along mobile pipeline {8}
728  DF  .~.~.~ Center pivot {2}
729.~.~.~.~ With noncircular coverage

DEFINITION

Classification: 239/729

With noncircular coverage:

(under subclass 728) Apparatus including means to vary the radial extent of the treated area from the pivot point at certain distinct intervals along the arcuate path of the apparatus so that a noncircular area is irrigated.

(1) Note. Movement of the center pivot irrigator may be temporarily stopped at specific points along its arcuate path to affect the noncircular pattern of coverage.