Chair backrest

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Description

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left end view thereof;

FIG. 5 is a right end view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is a perspective view thereof, shown with environmental subject matter.

The broken lines shown in the drawings are for the purpose of illustrating environmental subject matter and form no part of the claimed design.

Claims

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

Referenced Cited
U.S. Patent Documents
D595072 June 30, 2009 Su
D596430 July 21, 2009 Su
D638641 May 31, 2011 Piretti
D672581 December 18, 2012 Piretti
D673395 January 1, 2013 Piretti
D761049 July 12, 2016 Pan
D761050 July 12, 2016 Pan
D769659 October 25, 2016 Su
D779224 February 21, 2017 Duvigneau
D784034 April 18, 2017 Longo
D802319 November 14, 2017 Longo
D814822 April 10, 2018 Tran
D815451 April 17, 2018 Tran
D815848 April 24, 2018 Longo
D817680 May 15, 2018 Mahan-Rudolph
D827352 September 4, 2018 Peterson
D842019 March 5, 2019 Su
D856728 August 20, 2019 Feiner
D857436 August 27, 2019 Feiner
D871094 December 31, 2019 Coirier
20050161990 July 28, 2005 Piretti
20170347803 December 7, 2017 Krishtul
Patent History
Patent number: D913024
Type: Grant
Filed: Nov 13, 2019
Date of Patent: Mar 16, 2021
Assignee: WELLWORKER INTERNATIONAL CO., LTD. (Tainan)
Inventor: Shu O Su (Tainan)
Primary Examiner: Kevin K Rudzinski
Assistant Examiner: Paul D Bohannon
Application Number: 29/713,127
Classifications
Current U.S. Class: D6/716.4