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:
Aug. 01, 2006
Filed:
Jul. 29, 2004
Homer E. Aguinaldo, San Diego, CA (US);
Robert R. Lang, Escondido, CA (US);
Andrew Oldknow, Laguna Niguel, CA (US);
Homer E. Aguinaldo, San Diego, CA (US);
Robert R. Lang, Escondido, CA (US);
Andrew Oldknow, Laguna Niguel, CA (US);
Callaway Golf Company, Carlsbad, CA (US);
Abstract
An iron-type golf club head () includes a body () having a front wall () with a ball-striking surface (). The body () further includes a rear surface () that has external rear cavity () formed therein. The rear surface () includes an upper portion () and a lower portion (). The upper portion () is separated from the lower portion () by the external rear cavity () and at least one groove (). The lower portion () of the rear surface () has a notch () formed therein, which communicates with the external rear cavity (). The golf club head () preferably has high moments of inertia Izz and Ixx.