Patent
   D708885
Priority
Jan 22 2014
Filed
Jan 22 2014
Issued
Jul 15 2014
Expiry
Jul 15 2028
Assg.orig
Entity
unknown
7
12
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
D774792, Aug 20 2015 BQ ERGONOMICS LLC Chair
D777462, Aug 20 2015 BQ ERGONOMICS LLC Chair
D777463, Aug 20 2015 BQ ERGONOMICS LLC Chair
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
D935795, Jul 10 2019 HOMY CASA LIMITED Chair
Patent Priority Assignee Title
6843530, Dec 23 2003 Multi-stage backrest assembly
7278688, Oct 04 2006 Elastic support structure for a human body to lean against
20050189810,
20090302663,
D509975, Dec 29 2004 Oasyschair Co., Ltd. Chair back
D641572, Feb 01 2010 FUH Shyan Co., Ltd. Chair back frame
D644466, May 18 2010 Chair back
D645684, Jan 18 2011 Combined seatback frame
D661916, Jan 18 2011 Office chair
D673399, Aug 26 2011 Seatback frame
D683551, May 29 2012 Chair frame
D698167, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 22 2014Zhongśhan Shi Songlin Furniture Co., Ltd(assignment on the face of the patent)
Jan 22 2014TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0320140486 pdf
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