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.

Date of Patent:
Oct. 08, 2002

Filed:

Jan. 20, 2000
Applicant:
Inventors:

Hisashi Yamagishi, Chichibu, JP;

Takashi Maruko, Chichibu, JP;

Yutaka Masutani, Chichibu, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 3/706 ;
U.S. Cl.
CPC ...
A63B 3/706 ;
Abstract

In a solid golf ball of four or multi-layer construction, comprising a center core, an outer core, an intermediate layer, and a cover, the outer core has a higher Shore D hardness than the center core, and the solid core has a diameter of up to 27 mm. The ball has improved feel, click, durability and flight performance.


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