Patent ID: 8814721
Filing Date: 2014-08-26
Classification: A63B,B44C

Abstract:
1. A face for a golf club head, the face comprising an impact surface having a geometric center, the impact surface comprising: a central region including the geometric center of the impact surface, wherein the central region is substantially disc-shaped and comprises at least about 10 percent of the impact surface, and is centered at the geometric center of the impact surface, a heel region and a toe region, wherein the central region is situated between the heel region and the toe region; shallow markings located entirely within the central region, the shallow markings being elongated and having a substantially constant first depth, the central region being free of markings having a depth greater that the first depth; and deep markings located in the heel region and toe regions, the deep markings being elongated having a second depth greater than the first depth of the shallow markings, the deep markings being separate from the shallow markings.