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:
Jul. 09, 2019
Filed:
Oct. 10, 2017
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Hironori Takihara, Kobe, JP;
Takahiro Sajima, Kobe, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-shi, Hyogo, JP;
Abstract
A golf ballincludes a core, a mid layerpositioned outside this core, and a coverpositioned outside this mid layer. When a total thickness of the mid layerand the coveris denoted by L (mm), a Shore C hardness at a point A away from a surface of the coretoward a central point of the coreby 5L (mm) is denoted by Ha, a Shore C hardness at a point B away from the surface of the coretoward the central point of the coreby 2.5L (mm) is denoted by Hb, and a Shore C hardness at the central point of the coreand Shore C hardnesses of the mid layerand the coverare denoted by H0, Hm, and Hc, respectively; the golf ballsatisfies Hc−Hb>0, Hm−H0>0, and Ha−Hm>0.