Stair tread

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Description

FIG. 1 is a perspective view for a design for a stair tread according to the invention;

FIG. 2 is a front elevational view for the design for a stair tread; and,

FIG. 3 is a top plan view for the design for a stair tread.

The figures illustrate a stair tread in which the forward portion of the stair tread and the remainder of the stair tread have a visually contrasting appearance as shown by the line shading on the forward portion of the stair tread and the stippling on the remainder of the stair tread.

Claims

The ornamental design for a stair tread, as shown and described.

Referenced Cited
U.S. Patent Documents
3909997 October 1975 Eickhof
4058942 November 22, 1977 Naka
4112641 September 12, 1978 Balzer
4455797 June 26, 1984 Naka
5103608 April 14, 1992 Andreo
5806253 September 15, 1998 Nelson
5904017 May 18, 1999 Glatz et al.
8141321 March 27, 2012 Young
D661816 June 12, 2012 Young
8316594 November 27, 2012 Thompson
9121186 September 1, 2015 Mensah
20030182880 October 2, 2003 Weaber
20040139666 July 22, 2004 Kraft
20060196129 September 7, 2006 Lin
20090145059 June 11, 2009 Kay
20090277104 November 12, 2009 McCool
20100146879 June 17, 2010 Chin
20130061543 March 14, 2013 Council
20130305635 November 21, 2013 McCool
20140318047 October 30, 2014 Mensah
Foreign Patent Documents
3803077 August 1989 DE
3907959 September 1990 DE
0579086 January 1994 EP
195146 March 1923 GB
381016 September 1932 GB
1578528 November 1980 GB
2000129880 May 2000 JP
Other references
  • Bull Nose Stair Tread “Solid Oak Stair Tread”, Oak Store Direct, www.ebay.co.uk, Web. Shown in p. 1, Item 401164348581.
  • Bull Nose Stair Tread “Oak Stair Tread”, Oak Store Direct, www.oakstoredirect.com, Web. 2015. Shown in pp. 1 and 2, Item 21309.
Patent History
Patent number: D804058
Type: Grant
Filed: Jan 14, 2016
Date of Patent: Nov 28, 2017
Assignee: Universal Forest Products, Inc. (Grand Rapids, MI)
Inventors: Jeremy J. Mickelson (New Ulm, MN), Robert G. Rottinghaus (McGregor, IA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/551,544
Classifications