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Golf club set and golf club shaft set
   
Document Number
US Patent 7156749
Issued Date
January 2, 2007
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Abstract
Disclosed is a golf club set having harmonized golf club performance among the club numbers. In the golf club set, for at least three golf clubs, a ratio or a sum of a frequency, the frequency being measured by vibrating a tip portion of a golf club shaft constituting each of the golf clubs, and a frequency, the frequency being measured by vibrating a rear end portion of the golf club shaft, is determined in relation with order of the club number.
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Number of Claims:
5
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Published
January 2, 2007
Application Number
11/127,126
Filed
May 12, 2005
US Classification
473/289   473/319
Int'l Classification
A63B   53/10   (20060101)  
Examiner
Parent Case
This is a division of application Ser. No. 10/135,822, filed May 1, 2002, now U.S. Pat. No. 6,916,251, issued Jul. 12, 2005, which is hereby incorporated herein by reference. Applicants claim the benefits of 35 U.S.C. .sctn..sctn. 120 and 121.
Priority Data
May 02, 2001 [JP] 2001-135342 May 02, 2001 [JP] 2001-135355 Sep 03, 2001 [JP] 2001-266049 Sep 03, 2001 [JP] 2001-266080
USPTO Field of Search
473/289   473/290   473/291   473/319  
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