US PATENT SUBCLASS 15 / 21.1
.~ Brushing

Current as of: June, 1999
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15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
21.1.~ Brushing {18}
21.2  DF  .~.~> Ball cleaner
22.1  DF  .~.~> Handle mount {5}
30  DF  .~.~> Boot cleaning, blacking, and polishing {4}
36  DF  .~.~> Boot cleaners and polishers {1}
38  DF  .~.~> Brush cleaners
39  DF  .~.~> Comb cleaners
39.5  DF  .~.~> Table top or tablecloth cleaner
40  DF  .~.~> Flexible-fabric cleaners {1}
49.1  DF  .~.~> Floor and wall cleaner {3}
53.1  DF  .~.~> Vehicle cleaner {2}
54  DF  .~.~> Rail sweepers {1}
56  DF  .~.~> Receptacle cleaners {6}
77  DF  .~.~> Sheet, bar, and plate cleaners
78  DF  .~.~> Street sweepers {5}
88  DF  .~.~> Wire, rod, and tube cleaners
88.1  DF  .~.~> Work moves past nonrotatable brush
88.2  DF  .~.~> Work moves past rotatable brush {1}
88.4  DF  .~.~> Cylindrical brush moves past work

DEFINITION

Classification: 15/21.1

Brushing:

(under subclass 3) Subject matter having a cleaning instrument of the brush or broom type only, and not so differentiated in structure as to fall under any one of the titles of subclasses 22.1-29 of this class, or so especially adapted to a particular situation or class of work as to fall under any of the titles of subclasses 30-88 of this class.

SEE OR SEARCH THIS CLASS, SUBCLASS:

88.1, through 88.4, for other instruments of the brush or broom type only, and not so differentiated in structure as to fall under any one of the titles of subclasses 22.1 - 88 of this class.

SEE OR SEARCH CLASS

114, Ships,

222, for a device adapted to clean the hull of a ship.

131, Tobacco,

315+, and 324 for a machine for brushing tobacco leaves. 408, Cutting by Use of Rotating Axially Moving Tool,

18, for a combination of means to cut in the manner of that class combined with means to clean the tool. The combination of means to clean a workpiece with means to cut that workpiece will be found in this class (Class 15).