Golf ball

Games using tangible projectile – Golf – Ball

Reexamination Certificate

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Reexamination Certificate

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07367902

ABSTRACT:
In a golf ball composed of a core, a cover of at least one layer that encloses the core, and a plurality of dimples on an outermost layer of the cover, at least one constituent element contains from 0.5 to 30 parts by weight of one or more rare-earth oxide composed of a single rare-earth element, or a rare-earth mixed oxide composed of a plurality of rare-earth elements mixed in a desired ratio, per 100 parts by weight of a base material. Unlike ordinary golf balls, the golf ball of the invention has a visibility which differs under display or indoor light as opposed to outdoors, and is also very fashionable.

REFERENCES:
patent: 4848770 (1989-07-01), Shama
patent: 6569919 (2003-05-01), Noguchi et al.
patent: 2004/0266553 (2004-12-01), Park et al.
patent: 2004/0266554 (2004-12-01), Park et al.
patent: 2006/0041047 (2006-02-01), Ramsey
patent: 3363818 (2002-10-01), None

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