The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 07, 2017
Filed:
Jul. 06, 2015
Applicant:
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Inventor:
Tatsuya Yashiki, Kobe, JP;
Assignee:
DUNLOP SPORTS CO. LTD., Kobe-Shi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/10 (2015.01);
U.S. Cl.
CPC ...
A63B 53/10 (2013.01); A63B 2209/023 (2013.01);
Abstract
A shaftincludes a first butt partial sheet sand a second butt partial sheet sThe first butt partial sheet sincludes a first tapered part TPThe second butt partial sheet includes a second tapered part TPThe first butt partial sheet sand the second butt partial sheet ssatisfy the following (1) to (4). LLLLtand Ltare shown in FIG.L11>L21   (1)1≧1×  (2)2≧2×  (3)21−12<50   (4)