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:
Feb. 27, 2018
Filed:
Jul. 07, 2015
Applicant:
Bridgestone Sports Co., Ltd., Minato-ku, Tokyo, JP;
Inventors:
Tomonori Kitagawa, Tokyo, JP;
Wataru Ban, Chichibu, JP;
Assignee:
Bridgestone Sports Co., Ltd., Minato-ku, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01);
U.S. Cl.
CPC ...
A63B 53/0466 (2013.01); A63B 2053/0408 (2013.01); A63B 2053/0445 (2013.01);
Abstract
A golf club head according to this invention is a wood type golf club head including a face portion, a crown portion, and a sole portion. A plurality of grooves are formed in the face portion. The depth of the plurality of grooves is less than 0.025 mm. Each pitch between adjacent grooves of the plurality of grooves ranges from 0.1 mm (inclusive) to 1 mm (inclusive).