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:
Jun. 03, 2003
Filed:
Mar. 13, 2001
Yuu Hasebe, Tokyo, JP;
Hirato Shimasaki, Tokyo, JP;
Makoto Kubota, Tokyo, JP;
Daisuke Mikame, Saitama-ken, JP;
Yasunori Imamoto, Tokyo, JP;
Bridgestone Sports Co., Ltd., Tokyo, JP;
Abstract
A golf club head having a hollow construction, including a bar-like gravity adjusting piece ( ) which extends longitudinally from a toe ( ) towards a heel ( ), or vice versa, of the head and is secured directly on an inner surface of a sole portion ( ) in a position nearer to a front face ( ) or wherein a forward half area (F) of the sole portion ( ) as viewed from above, that is nearer to a face member ( ) of the head, has a thickness two or more times greater in at least a portion thereof than an average thickness of a rearward half area (R) of the sole portion, that is nearer to a back side ( ).