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:
Feb. 15, 2011
Filed:
Jul. 18, 2005
Applicant:
Masafumi Nishitani, Tokyo, JP;
Inventor:
Masafumi Nishitani, Tokyo, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club head is a hollow head made of metal, preferably titanium or a titanium alloy. The golf club head has a face portion, a crown portion, a sole portion, a side portion, and a hosel portion. A thin and small plate made of metal is fixedly attached to the internal surface of the sole portion on the toe side so as to be in tight contact with the internal surface. The thin and small plate made of metal preferably has a thickness of 0.2 mm-1.2 mm, particularly 0.4 mm-1.1 mm, more particularly 0.5 mm-1.0 mm, and a weight of 0.5 g-1.5 g, particularly 0.6 g-1.0 g.