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:
Sep. 26, 2000
Filed:
Jul. 28, 1998
Applicant:
Inventors:
Assignee:
Sumitomo Rubber Industries Limited, Kobe, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473372 ; 473377 ;
Abstract
A golf ball includes a core and a cover which covers the core, wherein a ratio between the primary natural frequency (CF.sub.1) of the core and the primary natural frequency (BF.sub.1) of the golf ball satisfies a following mathematical relation: