US PATENT SUBCLASS 172 / 37
.~ Tool rotated by attendant


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

Internet Version by PATENTEC © 1999      Terms of Use



172 /   HD   EARTH WORKING

35  DF  WITH DRIVE MEANS FOR TOOL OR CLEANER {37}
37.~ Tool rotated by attendant


DEFINITION

Classification: 172/37

(under subclass 35) Apparatus in which an earth working element is mounted for motion in a circular path and is disclosed as being moved in said path by an attendant, in normal use, through an arc of over 360 degrees.

SEE OR SEARCH THIS CLASS, SUBCLASS:

329+, for implements which are supported, propelled, guided or held in position by an attendant but are not otherwise driven.