Golf club head

Details Golf club head Golf club head

2006-11-21

2006-11-21

Blau, Stephen (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S338000, C473S345000, C473S349000

Reexamination Certificate

active

07137905

ABSTRACT:
The present invention provides a golf club head which satisfies the following three conditions in a moment M of inertia around a center line of a shaft axis (g·cm2) and a depth L of center of gravity (mm):in-line-formulae description="In-line Formulae" end="lead"?4000≦M≦7000;  (1)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?30≦L≦50; and  (2)in-line-formulae description="In-line Formulae" end="tail"?in-line-formulae description="In-line Formulae" end="lead"?M≦200×L−2000.  (3)in-line-formulae description="In-line Formulae" end="tail"?

REFERENCES:
patent: 5935020 (1999-08-01), Stites et al.
patent: 6354962 (2002-03-01), Galloway et al.
patent: 6379265 (2002-04-01), Hirakawa et al.
patent: 6821214 (2004-11-01), Rice
patent: 1-166781 (1989-06-01), None
patent: 11-33145 (1999-02-01), None
patent: 2000-210398 (2000-08-01), None
patent: 2001-299968 (2001-10-01), None

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