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. 18, 2011
Filed:
Jun. 23, 2009
Applicant:
Masatoshi Yokota, Kobe, JP;
Inventor:
Masatoshi Yokota, 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 hollow wood-type golf club headcapable of controlling the spring effect without excessively increasing the weight of a face portion, the club headcomprising a face portionhaving a facefor hitting a golf ball, a sole portionconstituting the bottom of the club head, and a junctioninterconnecting the face portion and the sole portion and including at least one thick wall portionhaving a thickness tlarger than a thickness tat a lower edge of the face portionand having a length L of 20 mm or more wherein the length L is a total of lengths in a toe-heel direction of said at least one thick wall portion