| US RE42,752 E1 | ||
| Three-piece solid golf ball | ||
| Hiroshi Higuchi, Yokohama (Japan); Hisashi Yamagishi, Yokohama (Japan); Yoshinori Egashira, Hidaka (Japan); and Tadatoshi Yamada, Mitaka (Japan) | ||
| Assigned to Bridgestone Sports Co., Ltd., Tokyo (Japan) | ||
| Filed on Apr. 22, 2005, as Appl. No. 11/111,974. | ||
| Application 08/271953 is a continuation of application No. 10/183147, filed on Jun. 28, 2002. | ||
| Application 11/111974 is a reissue of application No. 08/271953, filed on Jul. 08, 1994, now 5,553,852, filed on Sep. 10, 1996. | ||
| Claims priority of application No. 5-193065 (JP), filed on Jul. 08, 1993. | ||
| This patent is subject to a terminal disclaimer. | ||
| Int. Cl. A63B 37/06 (2006.01) | ||
| U.S. Cl. 473—373 [473/378] | 1 Claim |
| [ 9. A three-piece solid golf ball, comprising:
a center core, an intermediate layer, and a cover enclosing said center core through the intermediate layer;
said center core having a diameter of at least 29 mm and a specific gravity of less than 1.4;
said intermediate layer formed of an ionomer resin and having a thickness of at least 1 mm, a specific gravity of less than
1.2, and a hardness of at least 85 on JIS C scale, the specific gravity of said intermediate layer being lower than the specific
gravity of said center core; and
said cover having a thickness of 1 to 3 mm and being softer than said intermediate layer; and
wherein said cover comprises thermoplastic polyester.]
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