Golf ball

Details Golf ball Golf ball

2007-07-23

2009-11-17

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

07618332

ABSTRACT:
The present invention provides a golf ball having an outer surface with recessed and/or raised features thereon and having markings shaped as letters or figures formed on the outer surface. The markings are depressions of a substantially uniform depth from the outer surface and are characterized by (1) or (2) below:(1) letting S be the number of the depressions of a substantially uniform depth from the outer surface and N be the total number of dimples on the outer surface, the ratio S/N×100 is 100% or less;(2) the markings are circular or elliptical, or are polygonal.The aerodynamic performance of the golf ball is improved by arranging the depressions of substantially uniform depth evenly on the surface of the ball.

REFERENCES:
patent: 2007/0026971 (2007-02-01), Aoyama et al.
patent: 10-147097 (1998-06-01), None
patent: 2004-243033 (2004-09-01), None
Udo Machat, The Golf Ball Book, Sport Images pp. 47, 54-55.
Udo Machat, The Golf Ball Book, Sport Images, pp. 47, 54, 55.

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