US PATENT SUBCLASS 239 / 297
.~.~ One or more sets selectively usable
Current as of:
June, 1999
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239 /
HD
FLUID SPRINKLING, SPRAYING, AND DIFFUSING
290
DF
INCLUDING SUPPLEMENTAL GAS SHAPING OR SHIELDING JET
{8}
296
DF
.~ Plural sets of gas jet orifices {2}
297
.~.~ One or more sets selectively usable
DEFINITION
Classification: 239/297
(under subclass 296) Apparatus in which the groups include flow control means such that at least one such group may be used or not as desired.