Patent
   D724881
Priority
Sep 29 2014
Filed
Sep 29 2014
Issued
Mar 24 2015
Expiry
Mar 24 2029
Assg.orig
Entity
unknown
9
7
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
D767320, Jul 17 2015 Chair back
D770212, Jan 13 2015 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D779250, Feb 12 2016 PNC BANK Portion of a back support for a chair
D782241, Feb 12 2016 PNC BANK Back support for a chair
D782859, Feb 12 2016 PNC BANK Back support for a chair
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D825241, Jul 12 2016 Gary W., Feiner Back support
D856728, Apr 03 2017 Gary W., Feiner Back support
D857436, Sep 13 2017 Gary W., Feiner; FEINER, GARY W Back support
Patent Priority Assignee Title
D595971, Jan 16 2008 KOKUYO CO , LTD Chair
D668481, Jul 14 2011 FUH Shyan Co., Ltd.; Ming-Tang, Chuang Chair back frame
D677068, Jul 28 2011 Jianhua Yang, Foshan Nanhai Lainuo Furniture Co., Ltd. Office chair
D684783, Apr 20 2012 Chair
D684784, Oct 21 2012 Zhejian Anji Daming Furniture Co., Ltd. Chair
D697732, May 09 2012 Zhejiang Anji Daming Furniture Co., Ltd. Chair
D707460, Oct 17 2012 Okamura Corporation Chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Sep 29 2014Zhongshan Shi Songlin Furniture Co., Ltd.(assignment on the face of the patent)
Sep 29 2014TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0338360302 pdf
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