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. 18, 2014
Filed:
Mar. 13, 2008
Keiji Moriyama, Kobe, JP;
Keiji Moriyama, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
Golf ballhas a land and numerous dimpleson the surface thereof. This dimplehas first curved faceand second curved face. The first curved faceis continuous with landat the edge Ed. The second curved faceis continuous with the first curved faceat the boundary point Pb. The first curved facehas ring-shape. The first curved faceis projecting upwards. The second curved facehas a bowl-shape. The second curved faceis projecting downwards. The second curved facehas a curvature radius Rof equal to or greater than 10 mm. The proportion Pof the depth dof the boundary point Pb to the depth de of the dimpleis 1% or greater and 10% or less. The mean diameter of the dimpleis equal to or greater than 4.0 mm. The proportion Pof the number of the dimpleshaving a diameter of equal to or greater than 4.3 mm to total number of the dimplesis equal to or greater than 30%.