Patent
   D774345
Priority
Mar 20 2015
Filed
Mar 20 2015
Issued
Dec 20 2016
Expiry
Dec 20 2030
Assg.orig
Entity
unknown
9
10
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
D793143, May 31 2016 Zhongshan Shi Songlin Furniture Co., Ltd Chair back frame
D818294, Mar 07 2016 Zhongshan Shi Songlin Furniture Co., Ltd.; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D844358, Jun 13 2016 MILLERKNOLL, INC Chair and chair components
D845050, Jun 13 2016 MILLERKNOLL, INC Chair and chair components
D845692, Jun 13 2016 MILLERKNOLL, INC Chair and chair components
D882317, Jun 13 2016 MILLERKNOLL, INC Chair
D947574, Aug 20 2018 COOLSIDE LIMITED Internal assembly for travel accessory
D957846, Aug 20 2018 COOLSIDE LIMITED Travel accessory
ER1693,
Patent Priority Assignee Title
D540578, Sep 09 2005 Backrest
D540580, Dec 31 2005 Chair backrest
D545076, Feb 28 2005 PNC BANK, NATIONAL ASSOCIATION, AS ADMINISTRATIVE AGENT Office chair
D580199, Jul 02 2008 Chair backrest
D585205, Mar 27 2008 Hurng Taih Plastic Master Batch Co., Ltd. Frame of the office chair
D645683, Jan 18 2011 Seatback frame
D660621, Nov 04 2011 Chair backrest
D669286, Feb 01 2012 Oasyschair Co., Ltd. Backrest holder for a chair
D687660, Jun 05 2012 Zhongshan Shi Songlin Furniture Co., Ltd; ZHONGSHAN SHI SONGLIN FURNITURE CO , LTD Chair back frame
D708882, Aug 07 2013 Zhongshan Shi Songlin Furniture Co., Ltd Chair back frame
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 20 2015Zhongshan Shi Songlin Furniture Co., Ltd.(assignment on the face of the patent)
Mar 20 2015TSAI, HSUAN-CHINZHONGSHAN SHI SONGLIN FURNITURE CO , LTDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0352120547 pdf
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