Agricultural coulter

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Description

FIG. 1 is a perspective view of an agricultural coulter showing my new design, the indentations being alternately concave and convex on the side shown in this FIG. 1;

FIG. 2 is a right side elevational view, the indentations being alternately concave and convex on the side shown in this FIG. 2;

FIG. 3 is a top view, a bottom view being the same as the top view of FIG. 3; and,

FIG. 4 is a left side elevational view, the indentations being alternately concave and convex on the side shown in this FIG. 4.

Claims

The ornamental design for an agricultural coulter, as shown and described.

Referenced Cited
U.S. Patent Documents
1058140 April 1913 Beene
2762287 September 1956 Greiman
3559748 February 1971 Shelton
3806379 April 1974 Darr, Sr.
4099576 July 11, 1978 Jilani
D260264 August 18, 1981 Carlsson et al.
4538688 September 3, 1985 Szucs et al.
5517932 May 21, 1996 Ott et al.
D379464 May 27, 1997 Bruns
5649602 July 22, 1997 Bruce
5875855 March 2, 1999 Bruns et al.
D444529 July 3, 2001 Wagner
D467944 December 31, 2002 Stark
D469447 January 28, 2003 Stark
6554079 April 29, 2003 Bruce
7497270 March 3, 2009 Bruce
7874376 January 25, 2011 Piccat
7992651 August 9, 2011 Bruce
20020038620 April 4, 2002 Gentilhomme
20100147541 June 17, 2010 Piccat
Patent History
Patent number: D693377
Type: Grant
Filed: Dec 17, 2012
Date of Patent: Nov 12, 2013
Inventor: Douglas G. Bruce (Perry, IA)
Primary Examiner: Mark Goodwin
Application Number: 29/439,871