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:
May. 24, 2016
Filed:
Dec. 09, 2013
Dunlop Sports Co. Ltd., Kobe-shi, Hyogo, JP;
Hyoungchol Kim, Kobe, JP;
Masahide Onuki, Kobe, JP;
DUNLOP SPORTS CO. LTD., Kobe-Shi, JP;
Abstract
A golf ballhas a large number of dimpleson a surface thereof. A trajectory of the golf ballis divided into first to fourth segments. An average CDof drag coefficients CD and an average CLof lift coefficients CL in the first segment are equal to or less than 0.225 and 0.180, respectively. An average CDof drag coefficients CD and an average CLof lift coefficients CL in the second segment are equal to or less than 0.250 and 0.220, respectively. An average CDof drag coefficients CD and an average CLof lift coefficients CL in the third segment are equal to or greater than 0.260 and 0.220, respectively. An average CDof drag coefficients CD and an average CLof lift coefficients CL in the fourth segment are equal to or greater than 0.250 and 0.200, respectively.