Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 9, 2007
Patent Application Number
10948333
Date Filed
September 24, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
This present invention relates to a hollow golf club head comprising a face portion whose front face defines a club face for hitting a ball, wherein said face portion comprises a center portion forming an area having a sweet spot, and a peripheral portion surrounding the center portion and having the thickness smaller than the thickness of said center portion, wherein the thickness of the peripheral portion is reduced from the sole portion side of the head toward the crown portion side.
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