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:
Aug. 31, 2004
Filed:
Oct. 19, 2001
Applicant:
Inventors:
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A63B 5/304 ;
U.S. Cl.
CPC ...
A63B 5/304 ;
Abstract
This golf club head is constituted by a front part including a face portion and a crown main portion , and a back part forming the remaining portion of the golf club head. A metal material forming the front part has lower Young's modulus than that of a metal material forming the back part . The front part and the back part are welded. The thickness of the center of the face portion is larger than the thickness of the periphery thereof. The thickness of the vicinity of a highest point A of the crown is small.