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:
Dec. 20, 1988
Filed:
Mar. 27, 1984
Applicant:
Inventors:
Tetsuo Yamaguchi, Kobe, JP;
Takeshi Iwanaga, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
273173 ; 273 78 ; 273D / ; 273D / ; 273D / ;
Abstract
An iron type golf club head having the whole or the central part of a ball striking face thereof, which directly touches a golf ball, fabricated from a material possessing a compression Young's modulus (modules of longitudinal elasticity) lower than that of steel.