Chair backrest

Details Chair backrest Chair backrest

2007-09-07

2008-08-12

De, Mimosa (Department: 2913)

Design Patent

active

D0574646

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

REFERENCES:
patent: D378553 (1997-03-01), Newhouse
patent: D435175 (2000-12-01), Chu
patent: D456164 (2002-04-01), Vanderiet et al.
patent: D512238 (2005-12-01), Chen
patent: D513134 (2005-12-01), Asano et al.
patent: D541067 (2007-04-01), Lin
patent: D547562 (2007-07-01), Su
patent: D549479 (2007-08-01), Su

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