US PATENT SUBCLASS 15 / 416
.~.~.~ With plural mouths selectively usable, e.g., "duplex" nozzles


Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
300.1  DF  .~ With air blast or suction {26}
415.1  DF  .~.~ Nozzle {7}
416.~.~.~ With plural mouths selectively usable, e.g., "duplex" nozzles {1}
417  DF  .~.~.~.~> Top and bottom reversible type


DEFINITION

Classification: 15/416

(under subclass 415) Nozzles having a plurality of distinct mouths alternatively and selectively usable for applying the air draft to the work.