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:
Nov. 05, 2024
Filed:
Mar. 31, 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 37/0039 (2013.01); A63B 37/0033 (2013.01); A63B 37/0034 (2013.01); A63B 37/0043 (2013.01); A63B 37/0045 (2013.01); A63B 37/0046 (2013.01);
Abstract
In a multi-piece solid golf ball having a core, an envelope layer, an intermediate layer and a cover, the core is formed of one or more layer of a rubber composition; the envelope layer, intermediate layer and cover are each formed of a single layer of resin material; the hardness relationship among the layers satisfies the following two conditions:material hardness of cover>material hardness of intermediate layer, andmaterial hardness of envelope layer≥surface hardness of core;the ball additionally satisfies the condition: