Chair backrest

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Description

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

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

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

Referenced Cited
U.S. Patent Documents
D445580 July 31, 2001 Pennington
D793143 August 1, 2017 Tsai
D809842 February 13, 2018 Su
D823626 July 24, 2018 Chen
D837553 January 8, 2019 Meda
D839035 January 29, 2019 Tsai
D888450 June 30, 2020 Zhou
D909084 February 2, 2021 Dai
D913004 March 16, 2021 Chen
D920696 June 1, 2021 Su
D921410 June 8, 2021 Deevers
20020036420 March 28, 2002 Footitt
20080315661 December 25, 2008 Lin
Patent History
Patent number: D929784
Type: Grant
Filed: May 20, 2020
Date of Patent: Sep 7, 2021
Inventor: Tung-Hua Su (Tainan)
Primary Examiner: R. Johnson
Application Number: 29/735,309
Classifications
Current U.S. Class: D6/716.4