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:
Oct. 28, 1997
Filed:
Nov. 16, 1995
Applicant:
Inventors:
Daisuke Mikame, Saitama-ken, JP;
Yasunori Imamoto, Tokyo, JP;
Hirato Shimasaki, Saitama-ken, JP;
Hiroshi Ezaki, Saitama-ken, JP;
Assignee:
Bridgestone Sports Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473330 ; 473349 ;
Abstract
A golf club head has a gravity depth of 27 mm or greater and a convexed face with bulge and roll radii each equal to 9 inches or less. In an embodiment, a club head has a gravity depth of 27 mm, a bulge radius in the range of 6 to 8 inches and a roll radius of 7 to 9 inches. In another embodiment, a club head has a gravity depth of 30 to 35 mm, a bulge radius in the range of 6 to 8 inches and a roll radius of 7 to 9 inches.