Golf ball

Games using tangible projectile – Golf – Ball

Reexamination Certificate

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Reexamination Certificate

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07094162

ABSTRACT:
Golf ball28has a first side face32,a second side face34and a third side face36.The first side face32is positioned between an edge E and a point P. The second side face34is positioned between the point P and a point Q. The third side face36is positioned between the point Q and a point R. Each side face32, 24, 36is inclined in the in-depth direction toward the inward side. An angle α1of the first side face32is 2.0° or greater and 11.0° or less. An angle α2of the second side face34and an angle α3of the third side face36are equal to or less than 30.0°. The angle α3is greater than the angle α2. The angle α2is greater than the angle α1. The golf ball28also has a curved face38. The curved face38is a part of a spherical surface.

REFERENCES:
patent: 4979747 (1990-12-01), Jonkouski
patent: 5016887 (1991-05-01), Jonkouski
patent: 5338039 (1994-08-01), Oka et al.

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