Patent
   D953085
Priority
Jan 06 2021
Filed
Jan 06 2021
Issued
May 31 2022
Expiry
May 31 2037
Assg.orig
Entity
unknown
3
12
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 another perspective thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

Ruan, Zhengfu

Patent Priority Assignee Title
D962692, Nov 25 2021 Chair back
ER7157,
ER8343,
Patent Priority Assignee Title
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D929165, May 13 2020 Zhongshan Meisihe Furniture Co., Ltd. Seat back
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D937593, Jan 28 2019 ZHEJIANG SUNON FURNITURE MANUFACTURE CO., LTD. Chair
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