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:
May. 03, 2011
Filed:
Nov. 26, 2007
Masatoshi Yokota, Kobe, JP;
Masatoshi Yokota, Kobe, JP;
SRI Sports Limited, Kobe, JP;
Abstract
Golf club headis provided including face member, crown member, sole memberand recessed part. The recessed partis provided around the sole member. The recessed parthas a maximum height Hm of equal to or greater than 10 mm. The projected area Sof the sole memberprojected on the reference plane accounts for 40% or more and 65% or less of the projected area Sof the crown memberprojected on the reference plane. The headis hollow. Preferably, the maximum angle θm formed between the margin Fof the recessed partand the sole edge Ein proximity thereto is equal to or greater than 45 degrees. Preferably, the curvature radius of the sole face in a toe-heel direction is 9.0 cm or greater and 11.5 cm or less. Preferably, the headhas a volume of 400 cc or more and 500 cc or less.