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. 06, 2007
Filed:
Mar. 31, 2006
Applicants:
Masaru Kouno, Kobe, JP;
Masayuki Kato, Kobe, JP;
Inventors:
Masaru Kouno, Kobe, JP;
Masayuki Kato, Kobe, JP;
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club head which has a head volume V of not less than 300 cc, and a gravity point distance C (mm) satisfying the following condition: C≦0.12×V−8, and optionally, the ratio (M/V) of the moment of inertia M (g·sq.cm) of the club head around a vertical axis passing through the gravity point of the club head to the head volume V (cc) is se in a range of from 9.0 to 11.0, and a sweet spot height is set in a range of from 25 to 40 mm.