Tillage sweep

- Deere & Company
Description

FIG. 1 is a perspective view of the bottom of a tillage sweep showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front view of the tillage sweep design of FIG. 1;

FIG. 4 is a right side view of the tillage sweep of FIG. 1;

FIG. 5 is a rear view of the tillage sweep design of FIG. 1;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a left side view of the tillage sweep design of FIG. 1.

FIGS. 2-7 are shown on a reduced scale.

Referenced Cited
U.S. Patent Documents
D190335 May 1961 Livermore
D360420 July 18, 1995 Woodward et al.
D376373 December 10, 1996 Peterson et al.
3225467 December 1965 Troeppl
4787462 November 29, 1988 Nichols
5499686 March 19, 1996 Parker
Patent History
Patent number: D415173
Type: Grant
Filed: Sep 29, 1998
Date of Patent: Oct 12, 1999
Assignee: Deere & Company (Moline, IL)
Inventor: Richard David Zaun (West Des Moines, IA)
Primary Examiner: Sandra L. Morris
Application Number: 0/94,234
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)
International Classification: 1503;