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Patent
   D767321
Priority
Aug 19 2015
Filed
Aug 19 2015
Issued
Sep 27 2016
Expiry
Sep 27 2031
Inventors
Xingchang,…
Assg.orig
Assg.curr
Entity
unknown
Referenced by
7
References
16
Maint.:
n/a
The ornamental design for a chair back, as shown and described.

FIG. 1 is a perspective view of a chair back according to the present invention;

FIG. 2 is a front view of a chair back according to the present invention;

FIG. 3 is a rear view of a chair back according to the present invention;

FIG. 4 is a right-side profile view of a chair back according to the present invention;

FIG. 5 is a left-side profile view of a chair back according to the present invention;

FIG. 6 is a top plan view of a chair back according to the present invention; and,

FIG. 7 is a bottom plan view of a chair back according to the present invention.
INVENTORS:

Xingchang, Yang

THIS PATENT IS REFERENCED BY THESE PATENTS:
Patent Priority Assignee Title
10791842, May 26 2008 Steelcase Inc. Conforming back for a seating unit
D778632, Aug 05 2015 Chair pad
D793113, Feb 02 2016 Zhuhai Shichang Metals Ltd. Ergonomic collapsible chair
D793139, Feb 02 2016 Zhuhai Shichang Metals Ltd. Seat and backrest of an ergonomic collapsible chair
D794372, Nov 29 2016 Zhuhai Shichang Metals Ltd. Collapsible chair frame
D869213, Feb 02 2016 OFFICE MASTER INC Office chair
D978592, Jan 15 2020 Merits Health Products Co., Ltd. Back element of a chairback
THIS PATENT REFERENCES THESE PATENTS:
Patent Priority Assignee Title
8272691, Jun 04 2010 FUH Shyan Co., Ltd.; FUH SHYAN CO , LTD Resilient lower-back supporting device capable of vertical adjustment along with backrest of chair
9211014, Dec 08 2011 MILLERKNOLL, INC Composite body support member and methods for the manufacture and recycling thereof
D342849, Apr 25 1991 Grosfillex Sarl Chair back
D411928, May 15 1998 STEELCASE DEVELOPMENT INC , A CORP OF MI Chair
D494792, Oct 15 2002 HERMAN MILLER, INC Back for a seating structure
D506893, Apr 28 2004 Chair back
D575085, Mar 30 2008 Chair backrest
D576814, Feb 22 2008 IVARS S.p.A. Office chair
D604969, Apr 09 2008 Formway Furniture Limited Chair back component
D616213, Apr 09 2008 Formway Furniture Limited Chair
D618469, Jun 08 2009 HIGHMARK SMART, RELIABLE SEATING, INC Chair
D673385, Sep 21 2011 Chueng Shine Co., Ltd. Chair
D676254, Jul 27 2011 Jianhua, Yang Office chair
D686032, Oct 23 2012 VIRCO MFG CORPORATION Chair
D696545, May 26 2009 STEELCASE, INC Rear surface of a chair back
D696546, May 26 2009 STEELCASE, INC Chair back
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