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:
Aug. 17, 2010
Filed:
Jul. 18, 2007
Applicant:
Harunobu Kusumoto, Higashikurume, JP;
Inventor:
Harunobu Kusumoto, Higashikurume, JP;
Assignee:
Daiwa Seiko, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A golf club has a shaft, and a head of a hollow structure fixed to an end of the shaft to be set to have a predetermined lie angle and a predetermined loft angle with respect to a reference horizontal plane. The head has a face portion which includes a ball hitting surface by which a ball is hit, a crown portion, a side portion, and a sole portion. A rib is provided at a part, which is lower than a central part of the face portion, on an inner surface of the face portion to protrude toward the center of the head.