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:
Dec. 08, 2009
Filed:
Sep. 07, 2006
Applicant:
Tomio Kumamoto, Hyogo, JP;
Inventor:
Tomio Kumamoto, Hyogo, JP;
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club shaft composed of a laminate of prepregs. A part of the laminate is formed as a fullerene-containing bias layer BF composed of prepregs containing a matrix resin and fullerene and/or a fullerene compound contained in the matrix resin. Reinforcing fibers of the prepregs form an angle of not less than ±10° nor more than ±80° to the axis of the shaft.