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. 19, 2003
Filed:
Feb. 27, 2001
Richard C. Helmstetter, Rancho Santa Fe, CA (US);
Herbert Reyes, Laguna Niguel, CA (US);
James M. Murphy, Oceanside, CA (US);
Matthew T. Cackett, San Diego, CA (US);
Pin Fan, Carlsbad, CA (US);
Callaway Golf Company, Carlsbad, CA (US);
Abstract
A high moment of inertia golf club head composed of a composite material and having a weight strip in a ribbon section is disclosed herein. The weight strip may be composed of copper, tungsten or a similar metal. The moment of inertia, Izz, of the golf club head about a vertical axis Z through the center of gravity ranges from 2800 g-cm to 5000 g-cm , and a moment of inertia, Iyy, about a horizontal axis Y through the center of gravity of the golf club head ranges from 1900 g-cm to 2500 g-cm . The golf club head is preferably composed of plies of pre-peg sheets. The volume of the composite golf club head varies from 300 cm to 600 cm .