Chair backrest

Information

  • Patent Grant
  • D957839
  • Patent Number
    D957,839
  • Date Filed
    Thursday, April 25, 2019
    5 years ago
  • Date Issued
    Tuesday, July 19, 2022
    2 years ago
  • Inventors
  • Examiners
    • Rudzinski; Kevin K
    • Bohannon; Paul D
    Agents
    • Kamrath; Alan D.
    • Williams; Karin L.
    • Mayer & Williams PC
  • US Classifications
    Field of Search
    • US
    • D06 356
    • D06 364
    • D06 365
    • D06 366
    • D06 367
    • D06 379
    • D06 716
    • D06 7164
    • D06 7167
    • D06 360
    • D06 380
    • D21 521
    • D21 695
    • CPC
    • A47C1/03294
    • A47C1/034
    • A47C1/032
    • A47C1/031
    • A47C1/023
    • A47C3/029
    • A47C3/027
    • A47C3/04
    • A47C3/02
    • A47C3/12
    • A47C4/03
    • A47C4/04
    • A47C5/12
    • A47C7/029
    • A47C7/02
    • A47C7/18
    • A47C7/28
    • A47C7/32
    • A47C7/38
    • A47C7/40
    • A47C7/44
    • A47C7/46
    • A47C7/54
    • A47C7/425
    • A47C7/445
    • A47C31/023
    • A47C31/04
    • B60R2/0284
    • B60R2/062
    • B60R22/001
    • B60R22/24
    • B60R22/28
    • B60R22/58
    • B60R22/64
    • B60R22/68
    • B60R22/80
    • B60R22/99
    • B60R22/245
    • B60R22/643
    • B60R22/646
    • B60R22/665
    • B60R22/686
    • B60R22/688
    • B60R22/803
    • B60R22/986
    • B60R22/914
    • B60R22/995
    • F16B2/08
    • F16B45/00
    • Y10S297/01
    • A47D13/10
  • International Classifications
    • 0601
    • Term of Grant
      15Years
Abstract
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 left side elevation view thereof;



FIG. 5 is a right side elevation view thereof;



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



FIG. 7 is a bottom plan view thereof.


The broken lines shown in the drawings are for the purpose of illustrating portions of the chair backrest and form no part of the claimed design.


Claims
  • The ornamental design for a chair backrest, as shown and described.
US Referenced Citations (11)
Number Name Date Kind
D540578 Chen Apr 2007 S
D580199 Su Nov 2008 S
D596885 Su Jul 2009 S
D661120 Su Jun 2012 S
D687660 Hsuan-Chin Aug 2013 S
D691407 Nakamura Oct 2013 S
D772592 Su Nov 2016 S
D778660 Tsai Feb 2017 S
D917217 Tsai Apr 2021 S
D917218 Tsai Apr 2021 S
D935253 Wang Nov 2021 S
Non-Patent Literature Citations (2)
Entry
“Office Chair” Jun. 14, 2020, amazon.com, site visited Mar. 28, 2022 https://www.amazon.com/FelixKing-Ergonomic-Adjustable-Computer-Conference/dp/B088GMPZ3F/ref=sr_1_36?crid=2TKWQKZL5XF9W&keywords=ergonomic+office+chair+backrest&qid=1648508240&sprefix=ergonomic+office+chair+backrest%2Caps%2C255&sr=8-36 (Year: 2020).
“Office Ergonomic Task Chair” Oct. 22, 2020, wayfair.com, site visited Mar. 28, 2022 <https://www.wayfair.com/furniture/pdp/inbox-zero-office-ergonomic-task-chair-w004140983.html> (Year: 2020).