Disc harrow blade

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Description

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

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

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

FIG. 4 is a side 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
488514 December 1892 Arnold
662275 November 1900 Kirlin
849329 April 1907 Pahlow
1077288 November 1913 McKee
2406553 August 1946 Mader
2805534 September 1957 Robertson
4305272 December 15, 1981 Johnson
4396070 August 2, 1983 Brandner
5620055 April 15, 1997 Javerlhac
D437326 February 6, 2001 Koberlein
D467944 December 31, 2002 Stark
D469447 January 28, 2003 Stark
D624938 October 5, 2010 Kelly
8517119 August 27, 2013 Pineda
D694286 November 26, 2013 Bruce
D712437 September 2, 2014 Wilhelmi
D718345 November 25, 2014 Whalen
D748680 February 2, 2016 Ainge
D780814 March 7, 2017 Ainge
D823902 July 24, 2018 Paterson
Patent History
Patent number: D847871
Type: Grant
Filed: Feb 27, 2018
Date of Patent: May 7, 2019
Assignee: HARD METALS AUSTRALIA PTY LIMITED (Eastern Creek, New South Wales)
Inventors: Stephen Ainge (Eastern Creek), Seyed Ali Heydarshahy (Eastern Creek)
Primary Examiner: Mark A Goodwin
Application Number: 29/638,484
Classifications
Current U.S. Class: Disc, Rotary Hoe, Or Tooth (D15/29)