Chair backrest

Details Chair backrest Chair backrest

2008-07-02

2008-11-11

De, Mimosa (Department: 2913)

Design Patent

active

D0580199

CLAIM:
The ornamental design for a chair backrest, as shown and described.

REFERENCES:
patent: D540079 (2007-04-01), Bock
patent: D540080 (2007-04-01), Su
patent: D540578 (2007-04-01), Chen
patent: D541063 (2007-04-01), Su
patent: D547978 (2007-08-01), Machael et al.
patent: D548992 (2007-08-01), Koepke et al.
patent: D553886 (2007-10-01), Su
patent: D557028 (2007-12-01), Su
patent: D557915 (2007-12-01), Ong
patent: D558994 (2008-01-01), Machael et al.
patent: D570624 (2008-06-01), Kang
patent: D573817 (2008-07-01), Su

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