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.

Date of Patent:
Nov. 04, 2008

Filed:

Mar. 29, 2005
Applicant:

Harunobu Kusumoto, Higashikurume, JP;

Inventor:

Harunobu Kusumoto, Higashikurume, JP;

Assignee:

Daiwa Seiko, Inc., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A golf club head includes: a hollow shell head body that defines a face portion for hitting a ball and a crown portion; and a weight-massed portion that is formed on at least crown portion, wherein the weight-massed portion extends in a face-to-back direction of the head body and has a larger mass than that of a peripheral portion of the head body.


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