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:
Apr. 03, 2018
Filed:
Jul. 10, 2017
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Hidetaka Inoue, Kobe, JP;
Kazuya Kamino, Kobe, JP;
Kohei Mimura, Kobe, JP;
Toshiyuki Tarao, Kobe, JP;
Mami Tanaka, Kobe, JP;
DUNLOP SPORTS CO. LTD., Kobe-shi, Hyogo, JP;
Abstract
A golf ballincludes a main bodyand a paint filmThe paint filmincludes an inner layerand an outer layerA modulus Min of the inner layeris higher than a modulus Mout of the outer layerA difference (Min−Mout) is not less than 25 kgf/cm. The golf ballhas a plurality of dimplesA ratio So of a sum of areas of the dimplesrelative to a surface area of a phantom sphere of the golf balland a ratio Rs of a number of the dimpleseach having a diameter of not less than 9.60% and not greater than 10.37% of a diameter of the golf ballrelative to a total number of the dimplessatisfy the following mathematical formula (1).≥−2.5*+273   (1)