Ballback chair backrest

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Description

FIG. 1: is a perspective view of the ballback chair backrest

FIG. 2: is a left, side view of the ballback chair backrest

FIG. 3: is a right, side view of the ballback chair backrest

FIG. 4: is a front view of the ballback chair backrest

FIG. 5: is a back view of the ballback chair backrest

FIG. 6: is a top view of the ballback chair backrest; and,

FIG. 7: is a bottom view of the ballback chair backrest.

Inventor's ballback chair backrest is characterized by a backrest attached to an arm connecting the backrest to a chair's main body.

Claims

The ornamental design for a ballback chair backrest, as shown and described.

Referenced Cited
U.S. Patent Documents
3964790 June 22, 1976 Bergeron
6070943 June 6, 2000 Guery-Strahm
6702388 March 9, 2004 Chiu
6832817 December 21, 2004 Chiu
7044558 May 16, 2006 Chiu
7140677 November 28, 2006 Chiu
D577229 September 23, 2008 Haaksma
D644849 September 13, 2011 Sienkowski et al.
D679916 April 16, 2013 Barney et al.
8721005 May 13, 2014 Mankin
Patent History
Patent number: D728293
Type: Grant
Filed: Oct 6, 2014
Date of Patent: May 5, 2015
Inventor: Kirk Edward Schenck (Los Angeles, CA)
Primary Examiner: Mimosa De
Application Number: 29/504,461
Classifications
Current U.S. Class: D6/716.4