US PATENT SUBCLASS 15 / 333
.~.~.~.~.~ Floor nozzle elevating

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}
328  DF  .~.~ Convertible {4}
331  DF  .~.~.~ Plural selective air draft means, e.g., on-floor to off-floor {2}
332  DF  .~.~.~.~ With agitator and/or fan interlock, e.g., floor or rug safety feature {1}
333.~.~.~.~.~ Floor nozzle elevating

DEFINITION

Classification: 15/333

(under subclass 332) Apparatus wherein the nozzle is raised out of contact with the work.