US PATENT SUBCLASS 15 / 335
.~.~.~.~.~ Tubular handle, e.g., "Air-Way" 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}
328  DF  .~.~ Convertible {4}
331  DF  .~.~.~ Plural selective air draft means, e.g., on-floor to off-floor {2}
334  DF  .~.~.~.~ Floor nozzle air flow diverted to off-floor cleaning means {2}
335.~.~.~.~.~ Tubular handle, e.g., "Air-Way" type {1}
336  DF  .~.~.~.~.~.~> With supporting means, e.g., wall-mounted clamp

DEFINITION

Classification: 15/335

(under subclass 334) Apparatus having a tubular handle through which air may be caused to flow as a result of diverting or cutting off the flow through the floor nozzle.