US PATENT SUBCLASS 239 / 440
.~.~.~.~ Two or more concentric annular outlets

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

436  DF  SELECTIVELY USABLE OR VARIABLE DIVERSE TERMINAL OUTLETS {3}
437  DF  .~ Outlet formed between parts mounted for relative movement {1}
438  DF  .~.~ Axially movable component {1}
439  DF  .~.~.~ Deflector and outlet forming means combined {2}
440.~.~.~.~ Two or more concentric annular outlets

DEFINITION

Classification: 239/440

(under subclass 439) Apparatus in which the diverse terminal outlets are concentrically arranged, e.g., have an axial line of centers, and are in the form of rings.