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:
May. 14, 2019
Filed:
Mar. 05, 2018
Applicant:
Sumitomo Rubber Industries, Ltd., Kobe-shi, Hyogo, JP;
Inventors:
Hiromasa Tsunashima, Kobe, JP;
Naruhiro Mizutani, Kobe, JP;
Hiroshi Hasegawa, Kobe, JP;
Masahide Onuki, Kobe, JP;
Assignee:
SUMITOMO RUBBER INDUSTRIES, LTD., Kobe-Shi, Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01);
U.S. Cl.
CPC ...
A63B 53/0466 (2013.01); A63B 2053/0408 (2013.01); A63B 2053/0437 (2013.01);
Abstract
A golf club headhaving a hollow (i) therein comprises a face portionhaving a facefor striking a ball, a crown portionforming the head top surface, and a sole portionforming a bottom of the head. One of or each of the crown portionand the sole portionis provided with a plurality of grooves bent in the same direction.