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:
Jan. 27, 1998
Filed:
Sep. 03, 1996
Applicant:
Inventors:
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473346 ; 473350 ;
Abstract
An enlarged golf club head has a front wall decreased in thickness, which is sufficient strength, easy to menufacture, and has no increase in total weight. It is a wood or iron golf club head with a plate wall made of a metal, a front side of which provides a front wall having a ball striking front face and a back face at the opposite side thereof, the back face having a plurality of ridges projecting rearwardly of the back face. The ridges extend vertically, horizontally or in both directions of the club head and are disposed at a back of at least a sweet spot of the front face.