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:
Feb. 06, 2001
Filed:
Oct. 26, 1998
Kazuhisa Fushihara, Kakogawa, JP;
Kiyoto Maruoka, Kobe, JP;
Kazuo Hochi, Amagasaki, JP;
Akihiro Nakahara, Ibaraki, JP;
Sumitomo Rubber Industries, Ltd., Hyogo-ken, JP;
Abstract
A hollow golf ball having good shot feel at the time of hitting, while maintaining excellent flight performance, wherein the hollow golf ball has a hollow core having a hollow portion and one or more hollow core outer layers formed thereon, the hollow core outer layers having a core composition containing rubber, a resin or a mixture thereof, and a cover formed on the hollow core, and wherein the hollow portion has a diameter of,to,mm, the hollow core outer layer has a surface hardness of,to,in JIS-C hardness and a deformation amount of,to,mm when applying from an initial load of,kgf to a final load of,kgf on the core.