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. 23, 1997
Filed:
Feb. 27, 1996
Applicant:
Inventor:
Itsushi Nagamoto, Hamamatsu, JP;
Assignee:
Yamaha Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473345 ; 473349 ;
Abstract
In construction of a metallic wood golf club head having a shell structure made up of a plurality of shell pieces united together, at least one shell piece is at least locally provided with a laminated construction which includes laminated and intermediate layers made of different materials. Changes in combination of materials and allocation of laminated construction allows free adjustment In weight distribution, thereby achieving high ball shooting characteristics and maneuverability at swing. Fortification of the face is made compatible with enlargement in size of a club head.
Published as: