2009-06-10
2009-11-10
De, Mimosa (Department: 2913)
Design Patent
active
D0603632
CLAIM:
The ornamental design for a chair backrest, as shown and described.
REFERENCES:
patent: D510202 (2005-10-01), Chadwick et al.
patent: D532986 (2006-12-01), Kettler et al.
patent: D540050 (2007-04-01), Su
patent: D564767 (2008-03-01), Huang
patent: D573817 (2008-07-01), Su
patent: D573818 (2008-07-01), Su
patent: D596885 (2009-07-01), Su
De Mimosa
Pro-Techtor Int'l Services
Willgohs Ralph
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