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:
Oct. 03, 2011
Filed:
Jun. 27, 2002
Hiroshi Higuchi, Yokohama, JP;
Hisashi Yamagishi, Yokohama, JP;
Yoshinori Egashira, Hidaka, JP;
Tadatoshi Yamada, Mitaka, JP;
Hiroshi Higuchi, Yokohama, JP;
Hisashi Yamagishi, Yokohama, JP;
Yoshinori Egashira, Hidaka, JP;
Tadatoshi Yamada, Mitaka, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Abstract
A three-piece solid golf ball comprising a center core, an intermediate layer, and a cover. The center core () has a diameter of at least 29 mm, a hardness in the range of 45-80 JIS C and a specific gravity of less than 1.4. The intermediate layer () has 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 cover () has a thickness of 1-3 mm and a hardness of 50-85 JIS C. The ball has a good total balance of properties in that feeling and controllability are improved at no sacrifice of flying performance and durability.