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:
Nov. 07, 2017
Filed:
May. 12, 2016
Applicant:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Inventor:
Takaharu Takechi, Tokyo, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01); A63B 60/50 (2015.01);
U.S. Cl.
CPC ...
A63B 53/0466 (2013.01); A63B 60/50 (2015.10); A63B 2053/0408 (2013.01); A63B 2053/0437 (2013.01); A63B 2053/0462 (2013.01);
Abstract
A hollow golf club head comprises a face part, a sole part, a side part, a crown part, and a hosel part. At least one of the face part and the crown part has portions of two different rigidities that are first and second rigid portions, the first rigid portion has a first rigidity, the second rigid portion is made of the same material as the first rigid portion, and the second rigid portion has the same thickness as the first rigid portion but has a lower rigidity than the first rigidity of the first rigid portion.