2001-07-13
2002-09-24
Watson, Gary D. (Department: 2913)
Design Patent
active
D0463172
CLAIM:
The ornamental design for office chair, as shown and described.
REFERENCES:
patent: D280470 (1985-09-01), Higgins
patent: D383021 (1997-09-01), Lu
patent: D403169 (1998-12-01), Tseng
patent: D403170 (1998-12-01), Tseng
patent: D414965 (1999-10-01), Zaidman
patent: D441993 (2001-05-01), Lin
patent: D451716 (2001-12-01), Tseng
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