Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
May 19, 2015
Patent Application Number
13770134
Date Filed
February 19, 2013
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
A golf club head of the present invention includes a face. The face has a score line groove, a fine groove, and a land area. A depth of the fine groove is 0.01 mm or greater and less than 0.03 mm. A width of the fine groove is 0.1 mm or greater and 0.3 mm or less. A pitch of the fine groove is 0.3 mm or greater and 0.7 mm or less. Preferably, the face further has a protruding part protruding beyond the land area. Preferably, the protruding part is provided on a top blade side of the fine groove. Preferably, the protruding part extends along the fine groove.
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