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, 2016
Filed:
Sep. 08, 2014
Applicants:
Mizuno Corporation, Osaka, JP;
Chuo Industries, Ltd., Hiroshima, JP;
Inventors:
Kazuhiro Doi, Osaka, JP;
Jun Yoshikawa, Hiroshima, JP;
Assignees:
MIZUNO CORPORATION, Osaka, JP;
CHUO INDUSTRIES, LTD., Hiroshima, JP;
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01); C21D 8/00 (2006.01); C22C 38/00 (2006.01); A63B 53/06 (2015.01); C21D 9/00 (2006.01); C21D 1/18 (2006.01);
U.S. Cl.
CPC ...
A63B 53/047 (2013.01); A63B 53/06 (2013.01); C21D 1/18 (2013.01); C21D 8/00 (2013.01); C21D 9/0068 (2013.01); C22C 38/00 (2013.01); A63B 2053/0408 (2013.01); A63B 2053/0433 (2013.01);
Abstract
In an iron golf club head with a face portion and a neck portion integrally molded by forging, the iron golf club head is made of an iron steel material at least containing 0.30% by weight or less of carbon and 0.0005% by weight to 0.003% by weight of boron. The face portion has been subjected to quenching processing.