US PATENT SUBCLASS 15 / 379
.~.~.~ Vibrating nozzle or nozzle lips

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}
363  DF  .~.~ With mechanical agitating means {12}
379.~.~.~ Vibrating nozzle or nozzle lips

DEFINITION

Classification: 15/379

(under subclass 363) Apparatus wherein the lips of the air-draft applying nozzle have vibratory motion.

(1) Note. The entire nozzle may be vibrated, or there may be flexible lips with means to vibrate them.