US PATENT SUBCLASS 239 / 203
.~.~ With sprinkler head elevating means

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

200  DF  WITH FIXED SUPPORT FOR OR GROUND INSTALLED SUPPLY MEANS (E.G., STATIC CONSTRUCTIONAL INSTALLATIONS) {4}
201  DF  .~ Embedded or buried sprinkler {2}
203.~.~ With sprinkler head elevating means {1}
204  DF  .~.~.~> Elevating means responsive to flow of spray fluid {2}

DEFINITION

Classification: 239/203

(under subclass 201) Apparatus having some means which is effective to cause the distributor to rise above its nonuse housing level or position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

225.1+, for distributors continuously moving relative to the support during spraying.