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:
Dec. 02, 2014
Filed:
Jun. 27, 2012
Applicant:
Kenji Kii, Kobe, JP;
Inventor:
Kenji Kii, Kobe, JP;
Assignee:
Dunlop Sports Co. Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
A63B 53/0487 (2013.01); A63B 2053/0429 (2013.01);
Abstract
A putter type golf club headhaving a facefor hitting a ball on a front side has a head main bodyA provided in a faceside with a concave portionand a face insertB made of an elastic material attached to the concave portionof the head main bodyA. The face insertB has a three-layered structure composed of a first layerdisposed in a frontmost side, a third layerdisposed in a rearmost side and a second layersandwiched between the first layerand the third layer, wherein hardnesses h, hand hand moduli of repulsion elasticity r, rand rof the first layer, second layerand third layer, respectively, satisfy relationships: h>h, h>h, r>rand r>r