US PATENT SUBCLASS 239 / 556
.~ Arranged in plural groups or rows

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


239 /   HD   FLUID SPRINKLING, SPRAYING, AND DIFFUSING

548  DF  UNITARY PLURAL OUTLET MEANS {12}
556.~ Arranged in plural groups or rows {3}
557  DF  .~.~> All groups identical
558  DF  .~.~> Concentric or coaxial groups {1}
560  DF  .~.~> Three or more dissimilar groups

DEFINITION

Classification: 239/556

(under subclass 548) Apparatus in which the outlets are distributed in at least two sets or arrangements of at least two apertures each.

(1) Note. A group of outlets is considered to consist of (1) at least two apertures which when viewed relative to the remaining ones reveals a repetitive pattern or arrangement, or (2) sets of apertures arranged about a center. Groups may vary from each other in some essential characteristic such as number, size, shape, etc., of openings or in the placement thereof about some axis or center. There must be at least 4 openings (two groups) to qualify for this and the indented subclasses.

SEE OR SEARCH THIS CLASS, SUBCLASS:

543+, for plural groups of outlets causing convergence of the discharged streams.