US PATENT SUBCLASS 15 / 400
.~.~.~.~.~ Nozzle attachment type

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}
393  DF  .~.~.~ Stationary agitator {6}
398  DF  .~.~.~.~ Bristle brush type {2}
400.~.~.~.~.~ Nozzle attachment type

DEFINITION

Classification: 15/400

(under subclass 398) Apparatus in which the agitator is designed as an attachment to be readily attached to or detached from a nozzle or similar air-draft applying means.

(1) Note. The nozzle may be specially constructed to cooperate with the attaching means.