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. 17, 1989

Filed:

Sep. 10, 1987
Applicant:
Inventors:

Hiroshi Ezaki, Tokyo, JP;

Yoneji Kobayashi, Tokyo, JP;

Katsumi Iida, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ; A63B / ;
U.S. Cl.
CPC ...
273 / ; 2731 / ; 273169 ; 273172 ; 273174 ;
Abstract

The golf club set according to the present invention consists of plural golf clubs of which the lofts are increased iron a predetermined order, preferably with increments of 3.degree. to 4.degree.. The heads of golf clubs with lofts ranging from 9.degree. to 25.degree. in the set being constructed with a sole plate attached to a shell of a synthetic resin and integrally formed with a core, the heads of golf clubs with lofts ranging from 22.degree. to 31.degree. being constructed with a shell of a synthetic resin, core and sole plate formed integrally with one another, and the heads of golf clubs with lofts ranging from 28.degree. to 50.degree. being constructed with a mass of a high specific gravity synthetic resin and a sole plate molded integrally with each other.


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