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. 26, 2010
Filed:
Sep. 25, 2007
Applicants:
Hideo Matsunaga, Saitama-ken, JP;
Makoto Kubota, Saitama-ken, JP;
Masaomi Hiruta, Saitama-ken, JP;
Inventors:
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides a golf club head capable of increasing carry on average even if being used by an amateur golfer who is prone to hit a ball by varied hit points of clubface. A golf club headhas a face part, a crown part, a sole part, a side part, and a hosel part, which are formed of titanium or a titanium alloy. A thick partis provided near the central portion in the toe-heel direction of the rear portion of the crown part. The distance a between a foremost portionthe thick partand the foremost portion of the crown partis 20 to 80% of the total length L of the crown part