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 side view of the disc harrow blade;

FIG. 4 is a top view of the disc harrow blade;

FIG. 5 is a front view of the disc harrow blade;

FIG. 6 is a section side view of the disc harrow blade along 6-6 in FIG. 7; and,

FIG. 7 is an end view of the disc harrow blade.

Claims

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

Referenced Cited
U.S. Patent Documents
4083413 April 11, 1978 Miller
4420048 December 13, 1983 Peterson
4787462 November 29, 1988 Nichols
5271342 December 21, 1993 Neidhardt
5495814 March 5, 1996 Primus
5620055 April 15, 1997 Javerlhac
5941318 August 24, 1999 Bergen
D467944 December 31, 2002 Stark
D469447 January 28, 2003 Stark
D640288 June 21, 2011 Shimbashi
D694286 November 26, 2013 Bruce
D718345 November 25, 2014 Whalen
D736269 August 11, 2015 Paterson
D748680 February 2, 2016 Ainge
Patent History
Patent number: D780814
Type: Grant
Filed: Jan 25, 2016
Date of Patent: Mar 7, 2017
Assignee: HARD METALS AUSTRALIA PTY LIMITED (Easter Creek, NSW)
Inventor: Stephen Ainge (Eastern Creek)
Primary Examiner: Mark Goodwin
Application Number: 29/552,695
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)