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:
Sep. 25, 2018
Filed:
Jun. 15, 2017
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Abstract
A golf ballincludes a core, one or more mid layers, a cover, and dimples. A central hardness Ho and a surface hardness Hs of the core, a hardness Hm(min) of a layer having a lowest hardness among the mid layers, and a hardness Hc of the coversatisfy the following mathematical formulas (1) to (4).>15  (1)(min)>20  (2)−10<(min)−<15  (3)5<<20  (4)An occupation ratio So and a ratio Rs of a number of the dimpleseach having a diameter of from 9.60% to 10.37% of a diameter of the golf ball, relative to a total number of the dimples, satisfy the following mathematical formula (5).≥−2.5*+273  (5).