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:
Jul. 07, 1998
Filed:
Jan. 22, 1997
Applicant:
Inventors:
Richard C Helmstetter, Rancho Santa Fe, CA (US);
Thomas R Hilton, Cardiff By the Sea, CA (US);
Donald A Bistline, Vista, CA (US);
Victor S Dennis, Carlsbad, CA (US);
Assignee:
Callaway Golf Company, Carlsbad, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A63B / ;
U.S. Cl.
CPC ...
473334 ; 473349 ; 473350 ; 473338 ; 473335 ;
Abstract
An iron type golf club head which comprises a head body having a ball-striking front face, a rear side, a top, a bottom, a toe, and a heel; a recess formed in the head body proximate the head body rear side and bottom; and an inset positioned in the recess; the head body having a weight W.sub.1 and the inset having a weight W.sub.2, and wherein W.sub.2 /(W.sub.1 +W.sub.2) is between about 0.25 and 0.90.