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:
Apr. 04, 2006

Filed:

Nov. 14, 2002
Applicant:

Masayoshi Nishio, Kobe, JP;

Inventor:

Masayoshi Nishio, Kobe, JP;

Assignee:

SRI Sports Limited, Kobe, JP;

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

An iron-type golf club head comprises a face portion whose surface defines a club face for hitting a ball, the face portion is provided with a thin part which is defined as having a thickness of not more than 3 mm, the thin part defines at least a part of the club face including a sweet spot, and the distance across the thin part measured in every direction is not less than 30 mm.


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