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:
Sep. 09, 2025
Filed:
Nov. 01, 2021
Applicant:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Inventors:
Seiji Hayase, Kobe, JP;
Masahide Onuki, Kobe, JP;
Assignee:
Sumitomo Rubber Industries, Ltd., Hyogo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B 53/04 (2015.01);
U.S. Cl.
CPC ...
A63B 53/0466 (2013.01); A63B 53/0408 (2020.08); A63B 53/0433 (2020.08); A63B 53/0437 (2020.08);
Abstract
A golf club head is provided with a hollow therein and comprises a face portion, a crown portion, a sole portion, a toe and a heel. One of or each of a toe side and a heel side of the crown portion is provided with a first rigidity-decreasing part which is a groove or a slit and extends in a front-rear direction of the head.