Patent
   D708883
Priority
Jan 10 2014
Filed
Jan 10 2014
Issued
Jul 15 2014
Expiry
Jul 15 2028
Assg.orig
Entity
unknown
17
11
n/a
The ornamental design for a chair back frame, as shown and described.

FIG. 1 is a perspective view of a chair back frame, showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

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

FIG. 7 is a bottom plan view thereof.

Tsai, Hsuan-Chin

Patent Priority Assignee Title
D772592, Nov 01 2015 Chair backrest
D777497, Sep 04 2015 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO, LTD Chair back frame
D780499, Jun 18 2015 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D793142, May 31 2016 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D820626, Mar 20 2017 SPARCO S P A Vehicle seat
D841997, Jan 29 2016 Rotary chair
D874842, Aug 31 2017 Office chair
D907947, May 13 2020 Henglin Home Furnishings Co., Ltd. Chair
D917947, Sep 29 2020 Adjustable chair
D935795, Jul 10 2019 HOMY CASA LIMITED Chair
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D953086, May 23 2021 Guangzhou Ceyou Furniture Co., Ltd. Chair backrest
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
ER1693,
ER3390,
ER4543,
ER5216,
Patent Priority Assignee Title
6843530, Dec 23 2003 Multi-stage backrest assembly
6938956, Sep 06 2002 Pro-Cord Spa Chair backrest
6945601, Dec 23 2003 Multi-stage backrest assembly
8579376, Feb 01 2011 Device for adjusting the height of the backrest of an office chair
20050189810,
20120139321,
D641572, Feb 01 2010 FUH Shyan Co., Ltd. Chair back frame
D645684, Jan 18 2011 Combined seatback frame
D661916, Jan 18 2011 Office chair
D673399, Aug 26 2011 Seatback frame
D698167, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 10 2014Zhongshan Shi Songlin Furniture Co., Ltd(assignment on the face of the patent)
Jan 10 2014TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0319370381 pdf
n/a
Date Maintenance Fee Events


n/a
Date Maintenance Schedule