2007-03-09
2008-08-12
Spear, Robert M. (Department: 2913)
Design Patent
active
D0574636
CLAIM:
The ornamental design for a swivel seat base, as shown and described.
REFERENCES:
patent: 1803063 (1931-04-01), Hultgren
patent: 4792188 (1988-12-01), Kawashima
patent: D350041 (1994-08-01), Schwarzli
patent: 5380064 (1995-01-01), Yamano et al.
patent: D447365 (2001-09-01), Chi
patent: 7328952 (2008-02-01), Guerrini
patent: 2007/0241601 (2007-10-01), Guerrini
Kile Katrina A
Spear Robert M.
Troxell Law Office PLLC
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