Design Patent
2000-08-29
2001-10-02
Seifert, Ralf (Department: 2914)
Design Patent
active
D0448552
CLAIM:
The ornamental design for an inoperable bottle-opener key chain, as shown.
REFERENCES:
patent: D. 97570 (1935-11-01), Trollen
patent: D. 356237 (1995-03-01), White
patent: D. 428783 (2000-08-01), Precetti et al.
patent: D. 438768 (2001-03-01), Chiu
patent: 4617842 (1986-10-01), Yang
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