US PATENT SUBCLASS 15 / 312.1
.~.~.~ With fixed guide for ambulant air draft applying means

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}
301  DF  .~.~ Fixed position cleaners or installed cleaning systems {6}
312.1.~.~.~ With fixed guide for ambulant air draft applying means {1}
312.2  DF  .~.~.~.~> Flexible tube

DEFINITION

Classification: 15/312.1

With fixed guide for ambulant air draft applying means:

(under subclass 301) Subject matter wherein the air draft applying means is arranged for bodily ambulatory or translatory movement and is guided by structure attached to or made part of the building, vehicle, machine or device being contacted by the air draft.

(1) Note. Devices such as reaction whirlers wherein a nonambulatory air draft applying means is mounted for rotation about a fixed axis, are excluded from this subclass even though the air nozzles may be mounted at the outer ends of radially extending arms or the like.

SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing,

750, for a fluid discharging device having ambulatory

distributing means with relatively fixed guides.