Patent
   D778660
Priority
Feb 01 2016
Filed
Feb 01 2016
Issued
Feb 14 2017
Expiry
Feb 14 2032
Assg.orig
Entity
unknown
5
8
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
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D957839, Apr 25 2019 Chair backrest
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
ER1693,
Patent Priority Assignee Title
D548992, Mar 24 2006 HNI Corporation Chair
D596430, Mar 19 2009 Chair backrest
D596885, May 05 2009 Chair backrest
D652223, Oct 09 2008 Okamura Corporation Chair
D652646, Oct 09 2008 Okamura Corporation Chair
D654709, Oct 09 2008 Okamura Corporation Chair
D724880, Sep 29 2014 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D733446, Sep 26 2013 Okamura Corporation Chair
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Feb 01 2016Chueng Shine Co., Ltd.(assignment on the face of the patent)
Feb 01 2016TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0376300016 pdf
May 31 2016ZHONGSHAN SHI SONGLIN FURNITURE CO , LTDCHUENG SHINE CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0388270271 pdf
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