Chair back

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Description

FIG. 1 is a perspective view of a chair back showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is another perspective view thereof.

Claims

The ornamental design for a chair back, as shown.

Referenced Cited
U.S. Patent Documents
D540578 April 17, 2007 Chen
D558994 January 8, 2008 Machael
D641573 July 19, 2011 Tsai
D708882 July 15, 2014 Hsuan-Chin
D767320 September 27, 2016 Xingchang
D774346 December 20, 2016 Tsai
D774814 December 27, 2016 Powell
D793143 August 1, 2017 Tsai
D798092 September 26, 2017 Pan
D810487 February 20, 2018 Kim
D823626 July 24, 2018 Chen
Patent History
Patent number: D859047
Type: Grant
Filed: Jan 5, 2018
Date of Patent: Sep 10, 2019
Assignee: DONGGUAN KENTEC OFFICE SEATING CO., LTD. (Dongguan)
Inventor: Chih-Cheng Su (Dongguan)
Primary Examiner: Mimosa De
Application Number: 29/632,095
Classifications
Current U.S. Class: D6/716.4