US PATENT SUBCLASS 239 / 587.3
.~.~ Includes ball and socket

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

587.1  DF  TERMINAL MEMBER ADJUSTABLY OR SHIFTABLY CONNECTED TO FLOW CONDUIT {4}
587.2  DF  .~ Plural distinct articulation type flow connections {1}
587.3.~.~ Includes ball and socket

DEFINITION

Classification: 239/587.3

Includes ball and socket:

(under subclass 587.2) Apparatus in which at least one of the joint means includes a spherical male formation received

within a spherical female formation.

(1) Note. The spherical male and female formations may be restrained by a pivot pin or other means for movement in a single plane.