2003-01-16
2003-11-25
Watson, Gary D. (Department: 2913)
Design Patent
active
D0482549
CLAIM:
The ornamental design for office chair base, as shown as described.
REFERENCES:
patent: D407583 (1999-04-01), Perl
patent: D437513 (2001-02-01), Privatt et al.
patent: D447895 (2001-09-01), Chen
patent: D458060 (2002-06-01), Vo
patent: D471039 (2003-03-01), Chen
patent: D475557 (2003-06-01), Su
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