Patent ID: 7354359
Filing Date: 2008-04-08
Classification: A63B

Abstract:
1. A golf ball having numerous dimples with a contour being circular, on the surface thereof, at least one of said dimples having a first curved face, a second curved face, a third curved face, a circular first edge that is a boundary between a land and the first curved face, a circular second edge that is a boundary between the first curved face and the second curved face, and a circular third edge that is a boundary between the second curved face and the third curved face, the second edge and the third edge being disposed concentrically with the first edge, wherein said first curved face is a concave surface that curves downward toward the dimple center, the second curved face is a convex surface that curves upward toward the dimple center, and the third curved face is a concave surface that curves downward toward the dimple center.