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Document Number
US Patent 5722903
Issued Date
March 3, 1998
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Abstract
In a golf ball having a large number of dimples formed on the surface thereof, the dimples comprise circular dimples 2 and oval dimples 3 in flat configurations thereof. The total of the oval dimples is set to more than 20% of the total of the dimples. All the dimples are arranged in such a manner that an average intersection acute angle .delta. made between a line connecting the center of each oval dimple and a pole of the golf ball with each other and a major axis of each oval dimple is set in a range of 0.ltoreq..delta..ltoreq.80.degree..
Drawing
Golf ball - US Patent 5722903 Drawing
Drawing from US Patent 5722903
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Number of Claims:
8
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Owner
Published
March 3, 1998
Application Number
08/584,363
Filed
January 11, 1996
US Classification
473/384   40/327
Int'l Classification
A63B   37/00   (20060101)  
Examiner
Priority Data
Jan 13, 1995 [JP] 7-004418
USPTO Field of Search
473/383   473/384   40/327  
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Description
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