US PATENT SUBCLASS 15 / 378
.~.~.~ With guard to inhibit work entry into nozzle mouth

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}
378.~.~.~ With guard to inhibit work entry into nozzle mouth

DEFINITION

Classification: 15/378

(under subclass 363) Apparatus having a guard to inhibit or prevent flexible work such as a rug being drawn into the nozzle and into too close contact with an agitator in the nozzle.

SEE OR SEARCH THIS CLASS, SUBCLASS:

422, for nozzles, per se, having work guards.