US PATENT SUBCLASS 15 / 48.2
.~.~.~.~ Bellows type

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


15 /   HD   BRUSHING, SCRUBBING, AND GENERAL CLEANING

3  DF  MACHINES {11}
21.1  DF  .~ Brushing {18}
40  DF  .~.~ Flexible-fabric cleaners {1}
41.1  DF  .~.~.~ Carpet sweeper {9}
48.2.~.~.~.~ Bellows type

DEFINITION

Classification: 15/48.2

Bellows type:

(under subclass 41.1) Subject matter wherein the air draft is created by an expansible chamber device driven by a carpet-engaging wheel.