US PATENT SUBCLASS 239 / 299
.~ Noncircular supplemental orifice (e.g., special shape)

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

290  DF  INCLUDING SUPPLEMENTAL GAS SHAPING OR SHIELDING JET {8}
299.~ Noncircular supplemental orifice (e.g., special shape)

DEFINITION

Classification: 239/299

(under subclass 290) Apparatus having the egress port in other than a round or circular configuration as, for example, in the form of an annulus.

(1) Note. The shape to be here considered is that transverse to the direction of flow rather than in the direction of flow, e.g., elliptical as opposed to conical.

SEE OR SEARCH THIS CLASS, SUBCLASS:

601, for orifice shapes.