US PATENT SUBCLASS 15 / 321
.~.~.~ Manipulatable nozzle with flexible conduit connection to portable power and/or material supply unit, e.g., window washer

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}
320  DF  .~.~ With liquid or other cleaning material application to work {2}
321.~.~.~ Manipulatable nozzle with flexible conduit connection to portable power and/or material supply unit, e.g., window washer

DEFINITION

Classification: 15/321

(under subclass 320) Cleaning apparatus in which a hand manipulated work-contacting device is attached by flexible conduit means to a portable air pump and/or material supply unit.

(1) Note. The air pump and material supply unit is considered to be portable only if it is movable by a force applied thereto by the operator through the flexible conduit, or if it can be carried about by the operator, while the pump is operating so that the cleaning operation can be carried on continuously.

SEE OR SEARCH THIS CLASS, SUBCLASS:

327, for similar devices without liquid or other cleaning material application.