Patent ID: 9662542
Date: 2017-05-30
CPC Classifications: A63B

Claim:
1. A golf ball comprising: an inner core layer formed from a first thermoplastic composition and having a diameter of from 0.50 inches to 1.30 inches and a surface hardness of from 50 to 80 Shore C; an intermediate core layer formed from a first thermoset composition and having a surface hardness of from 45 Shore D to 65 Shore D; an outer core layer formed from a second thermoplastic composition and having a surface hardness of 80 Shore C or greater; and a cover; wherein the inner core layer comprises a plurality of projections disposed thereon; wherein the surface hardness of the intermediate core layer is greater than the surface hardness of the inner core layer and the surface hardness of the outer core layer; and wherein the inner core layer, the intermediate core layer, and the outer core layer each have a specific gravity of from 0.90 g/cc to 1.18 g/cc.