Disc harrow blade

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Description

FIG. 1 is a front perspective view of the disc harrow blade;

FIG. 2 is a rear perspective of the disc harrow blade;

FIG. 3 is a plan top view of the disc harrow blade;

FIG. 4 is a front side view of the disc harrow blade the back side view being a mirror image; and,

FIG. 5 is a left side view of the disc harrow blade, the rught side view being a mirror image.

Claims

The ornamental design for the disc harrow blade, as shown and described.

Referenced Cited
U.S. Patent Documents
840545 January 1907 Yingling
1333980 March 1920 Heylman
1669081 May 1928 Flood
2076693 April 1937 Altgelt et al.
2178052 October 1939 Smith
2601165 June 1952 Moore
3831685 August 1974 Birkenbach
3999814 December 28, 1976 Miller
4083413 April 11, 1978 Miller
4098622 July 4, 1978 Clarke et al.
4113030 September 12, 1978 Walker
4420048 December 13, 1983 Peterson
4452319 June 5, 1984 Miguet et al.
D465988 November 26, 2002 Green
6695069 February 24, 2004 Rozendaal
7607489 October 27, 2009 Kelly et al.
7631701 December 15, 2009 Kromminga et al.
D615107 May 4, 2010 Kelly et al.
D615108 May 4, 2010 Kelly et al.
D624938 October 5, 2010 Kelly et al.
D736269 August 11, 2015 Paterson
Patent History
Patent number: D748680
Type: Grant
Filed: Aug 27, 2014
Date of Patent: Feb 2, 2016
Assignee: HARD METALS AUSTRALIA PTY LIMITED (Hornsby, NSW)
Inventor: Stephen Ainge (Hornsby)
Primary Examiner: Mitchell Siegel
Application Number: 29/500,694
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)