US PATENT SUBCLASS 239 / 119
.~.~ Return or reverse flow from outlet

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}
119.~.~ Return or reverse flow from outlet

DEFINITION

Classification: 239/119

(under subclass 106) Apparatus in which the nozzle member is cleaned or drained by means causing flow away from the nozzle in a direction opposite to the normal spraying direction.

(1) Note. Air from without the nozzle rushing through the egress port to replace the liquid in the system returned to supply is included.

SEE OR SEARCH THIS CLASS, SUBCLASS:

112, for nonspraying fluid applied exteriorly or interiorly to the nozzle for cleaning.