Chair backrest

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Description

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

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

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

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawings depict portions of the chair backrest that 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
D708884 July 15, 2014 Hsuan-Chin
D780499 March 7, 2017 Tsai
D793142 August 1, 2017 Tsai
10076191 September 18, 2018 Chen
D841997 March 5, 2019 Chen
D927910 August 17, 2021 Guo
D935253 November 9, 2021 Wang
D941599 January 25, 2022 Ni
D953086 May 31, 2022 Wang
11369203 June 28, 2022 Mazlish
D979968 March 7, 2023 Wu
11617445 April 4, 2023 Wu
D988739 June 13, 2023 Feng
Other references
  • Clatina Ergonomic Office Chair, High Back Breathable Mesh Desk Chair with Adjustable Armrest, 2D Headrest, Lumbar Support, Double Backrest, 4-leavel Tilt Function, Computer Chair for Home, amazon.com, Date First Available: Feb. 2, 2023, pp. 1, 7, from https://www.amazon.com/dp/B0C2J7DL1G/ref=sspa_dk_detail_2?pd_rd_i=B0C2J7DL1G&pd_rd_w=VCYaK&content-id=amzn1.sym.386c274b-4bfe-4421-9052-a1a56db557ab&pf_rd_p=386c274b-4bfe-4421-9052-a1a56db557ab&pf_rd_r=5YEJEVSVW1W0YV3A4VG3&pd_rd_wg=KziOz&pd_rd_r=71b21ab1-6bd7-464b-b9c3-4b22882d2289&s=kitchen&sp_csd=d2lkZ2V0TmFtZT1zcF9kZXRhaWxfdGhlbWF0aWM&spLa=ZW5jcnlwdGVkUXVhbGImaWVyPUEyUThBT1dIWFQ5NVYyJmVuY3J5cHRIZEIkPUEwMzk1NDI2MUdQQIZFQzVCNFpGNCZIbmNyeXB0ZWRBZElkPUEwMzg0NzY4VVhDUDZVRVNSSzdOJndpZGdldE5hbWU9c3BfZGV0YWIsX3RoZW1hdGljJmFjdGlvbjGlja1JIZGlyZWN0JmRvTm90TG9nQ2xpY2s9dHJ1ZQ&th=1 (Year: 2023).
Patent History
Patent number: D1015790
Type: Grant
Filed: Nov 30, 2021
Date of Patent: Feb 27, 2024
Inventor: Dehua Liang (Zhongshan)
Primary Examiner: Mimosa De
Application Number: 29/817,207
Classifications
Current U.S. Class: D6/716.4