US Patent 8678947 Golf club groove configuration
Patent 8678947 was granted and assigned to Acushnet (company) on March, 2014 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances using a profiled cutter. More specifically, the grooves has a radius of curvature R1 and a draft angle θ forming a relationship that satisfies the equation R1≧(1*10−7θ3)−(3*10−5θ2)+0.003θ−0.0891 to achieve a maximum spin performance.
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US Patent 08678947 Golf club groove configuration US Patent 8678947 Golf club groove configuration
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Patent Number
0867894700
Patent Number
867894700
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Current Assignee
Patent Jurisdiction
Patent Number
086789470
Date of Patent
March 25, 2014
0Patent Application Number
129575350
Date Filed
December 1, 2010
0Official Website
Patent Primary Examiner
Edits on 23 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
086789470
Date of Patent
March 25, 2014
0Patent Application Number
129575350
Date Filed
December 1, 2010
0Official Website
Patent Primary Examiner
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US Patent 08678947 Golf club groove configuration
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
08678947
Date of patent
March 25, 2014
Patent application number
12957535
Date Filed
December 1, 2010
Patent primary examiner
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