Patent
   D725951
Priority
Feb 20 2014
Filed
Feb 20 2014
Issued
Apr 07 2015
Expiry
Apr 07 2029
Assg.orig
Entity
unknown
4
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
D807658, Aug 31 2016 Toyota Jidosha Kabushiki Kaisha Seat for a motor vehicle
D819992, Aug 31 2016 Toyota Jidosha Kabushiki Kaisha Seat for a motor vehicle
D905991, May 27 2019 Chair
D911054, Jun 21 2019 NINGBO MEIYING HOUSEHOLD GROUP CO , LTD Office chair
Patent Priority Assignee Title
D575085, Mar 30 2008 Chair backrest
D613084, Dec 12 2008 Formway Furniture Limited Chair
D651008, Jan 20 2011 Chair
D673385, Sep 21 2011 Chueng Shine Co., Ltd. Chair
D680345, May 07 2012 Chair
D686440, Aug 22 2012 Chair backrest
D691407, Nov 17 2011 ITOKI CORPORATION Chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 20 2014Zhongshan Shi Songlin Furniture Co., Ltd.(assignment on the face of the patent)
Feb 20 2014TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0322510870 pdf
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