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:
May. 02, 2006
Filed:
Mar. 31, 2004
Hiroki Ashida, Osaka, JP;
Takashi Ishii, Osaka, JP;
Susumu Hironaka, Gifu-ken, JP;
Mizuno Corporation, Osaka, JP;
Abstract
A golf shaft made of fiber reinforced plastic and including a tip portion attached to a head, a butt portion attached to a grip, and a middle portion located between the tip portion and the butt portion. The golf shaft has a generally tapered shape in which the outer diameter generally increases gradually from the tip portion to the butt portion. The golf shaft includes a first portion in which linear density is generally uniform. A second portion is defined by the part of the shaft excluding the first portion. The first portion occupies 30% or more of the entire shaft length, and the linear density of the first portion is greater than that of the linear density.