US PATENT SUBCLASS 239 / 702
.~.~.~ With axially spaced impeller surfaces


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

690  DF  ELECTROSTATIC TYPE {11}
699  DF  .~ With impeller (e.g., vibrator) {1}
700  DF  .~.~ Rotary {3}
702.~.~.~ With axially spaced impeller surfaces


DEFINITION

Classification: 239/702

With axially spaced impeller surfaces:

(under subclass 700) Apparatus wherein the positively moved member comprises at least two impeller portions or members spaced along the revolving axis.