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:
Oct. 25, 2011
Filed:
May. 14, 2009
Applicants:
Kazuhiko Isogawa, Kobe, JP;
Tsutomu Hirau, Kobe, JP;
Inventors:
Kazuhiko Isogawa, Kobe, JP;
Tsutomu Hirau, Kobe, JP;
Assignee:
SRI Sports Limited, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 37/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Golf ballhas a center, a mid layerand a cover. The base polymer of the mid layerincludes an ionomer resin as a principal component. The surface hardness Hof the centeris greater than the hardness Hof the mid layer. The Shore D hardness Hof the coveris equal to or greater than. The weight Wof the mid layeris greater than the weight Wof the cover. The total weight (W+W) of the weight Wof the mid layerand the weight Wof the coveris 8.4 g or greater and less than 12.0 g. The total volume (V+V) of the volume Vof the mid layerand the volume Vof the coveris equal to or less than 10.0 cm.