US PATENT SUBCLASS 15 / 341
.~.~ Traction or manual operation of air pump or fan

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}
341.~.~ Traction or manual operation of air pump or fan {1}
342  DF  .~.~.~> Rotary air impeller {1}

DEFINITION

Classification: 15/341

(under subclass 300) Cleaning apparatus in which the air pump or fan is operated by traction or by manual means.

(1) Note. Manual means here includes use of any part of the human body such as legs or shoulders as well as hands and arms.

SEE OR SEARCH THIS CLASS, SUBCLASS:

388, for traction operated work-contacting agitators where the claims do not include traction operation of the air pump.