US PATENT SUBCLASS 15 / 348
.~.~.~ With conveying means additional to air stream

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}
347  DF  .~.~ With dust or dirt handling or storing or separating, e.g., filter bags {5}
348.~.~.~ With conveying means additional to air stream

DEFINITION

Classification: 15/348

(under subclass 347) Apparatus having means other than the air stream acting to assist in conveying the dirt set in motion by the air draft or by other dirt dislodging means.

SEE OR SEARCH CLASS

406, Conveyors: Fluid Current,

51+, for fluid current conveyors combined with other types of conveyors.