The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 2025
Filed:
Oct. 06, 2023
Applicant:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Inventor:
Hideo Watanabe, Saitamaken, JP;
Assignee:
BRIDGESTONE SPORTS CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/00221 (2020.08); A63B 37/0019 (2013.01); A63B 37/0031 (2013.01); A63B 37/0044 (2013.01); A63B 37/0078 (2013.01); A63B 37/0083 (2013.01); A63B 37/06 (2013.01);
Abstract
A multi-piece solid golf ball includes a core, an intermediate layer, and a cover, in which the core is formed of a rubber composition, the intermediate layer and the cover are formed of a resin composition, and a specific gravity of the intermediate layer is set to at least 1.05, or a relationship among a core surface hardness, a surface hardness of an intermediate layer-encased sphere, and a ball surface hardness satisfies the following condition:ball surface hardness<surface hardness of intermediate layer-encased sphere>core surface hardness