US PATENT SUBCLASS 239 / 107
.~.~ With means for enlarging spray openings beyond normal operating position

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

104  DF  WITH CLEANING MEANS, DRIP COLLECTING, WASTE DISPOSAL OR SOIL PREVENTING GUARDS OR SHIELDS {4}
106  DF  .~ Nozzle cleaner, flusher or drainer {5}
107.~.~ With means for enlarging spray openings beyond normal operating position {1}
108  DF  .~.~.~> With separate fluid reacting surface {1}

DEFINITION

Classification: 239/107

(under subclass 106) Apparatus having means for flushing out or draining the nozzle comprising an arrangement for increasing the egress opening to a size beyond the normal operating spraying limits.

SEE OR SEARCH THIS CLASS, SUBCLASS:

452+, 533+, for mere fluid pressure responsive discharge modifier or regulator and not having means operating to permit egress openings beyond a normal spraying range.