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:
Apr. 22, 2008
Filed:
Aug. 29, 2005
Applicant:
Hitoshi Oyama, Hyogo, JP;
Inventor:
Hitoshi Oyama, Hyogo, JP;
Assignee:
SRI Sports Limited, Kobe-shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/00 (2006.01); A63B 53/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wood golf club () which is not less than 44 inches in a length thereof and whose head () is not less than 190 g in a weight thereof. The value of a ratio of a rigidity value EIt at a position spaced at an interval of 130 mm from a head-side front end of a shaft () of the golf club () to a rigidity value EIb at a position spaced at an interval of 250 mm from a grip-side rear end of the shaft () is set to not less than 0.50.