Patent
   D793143
Priority
May 31 2016
Filed
May 31 2016
Issued
Aug 01 2017
Expiry
Aug 01 2032
Assg.orig
Entity
unknown
13
21
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
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D839035, Nov 27 2017 Chair back frame
D856728, Apr 03 2017 Gary W., Feiner Back support
D857436, Sep 13 2017 Gary W., Feiner; FEINER, GARY W Back support
D859047, Jan 05 2018 DONGGUAN KENTEC OFFICE SEATING CO., LTD. Chair back
D910359, Jan 21 2020 Comfordy Co., Ltd. Chair back
D917217, Nov 29 2019 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D917218, Jan 21 2020 Zhongshan Shi Songlin Furniture Co., Ltd. Chair back frame
D929784, May 20 2020 Chair backrest
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D950290, Jul 09 2021 FOSHAN ZHONGYANG FURNITURE CO., LTD. Office chair
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
ER1693,
Patent Priority Assignee Title
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D774345, Mar 20 2015 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
May 27 2016TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0387460568 pdf
May 31 2016Zhongshan Shi Songlin Furniture Co., Ltd(assignment on the face of the patent)
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