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:
Oct. 28, 2008
Filed:
Jan. 31, 2006
Applicant:
Masayoshi Nishio, Kobe, JP;
Inventor:
Masayoshi Nishio, Kobe, JP;
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club head includes a face including a bulge formed at the center of a backside thereof and having a thickness of 2.0 or more times the thickness of the thinnest part, and a plurality of ribs extended from the bulge toward a circumference of the face. Six or more ribs are provided as the plural ribs and an angle θ(°) formed between extension directions of a respective pair of adjoining ribs is less than 90°. The maximum thickness of the bulge is not more than 3.5 times the thickness of the thinnest part.