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:
Aug. 14, 2018
Filed:
Dec. 21, 2015
Applicant:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Inventors:
Katsunobu Mochizuki, Chichibushi, JP;
Hiroyuki Nagasawa, Chichibushi, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01); A63B 37/00 (2006.01);
U.S. Cl.
CPC ...
A63B 37/0076 (2013.01);
Abstract
The invention provides a golf ball having a core and a cover of one or more layer encasing the core, wherein, letting HU-A and HU-B be respectively the Martens hardnesses measured at positions 100 μm and 200 μm inward from a surface of an outermost layer of the cover and toward a center of the core, and letting HU-C be the Martens hardness measured at a position 100 μm from an inner side of the outermost cover layer and toward the surface, HU-A or HU-B is harder than HU-C.