Golf club

Details Golf club Golf club

2008-05-21

2009-08-04

Blau, Stephen L. (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S316000

Reexamination Certificate

active

07568981

ABSTRACT:
This invention provides a wood type golf club including a shaft, a grip at one end of the shaft, and a head at the other end of the shaft, wherein a mass m (g) of the golf club and a length L (cm) from a grip side end of the golf club to a barycentric position of the golf club satisfy m×L=2.55×104 (g·cm) and m×L2=2.322×106 (g·cm2), and a barycentric position of the shaft is at 48.3% a total length of the shaft from a head side end of the shaft.

REFERENCES:
patent: 3703824 (1972-11-01), Osborne et al.
patent: 4058312 (1977-11-01), Stuff et al.
patent: 4887815 (1989-12-01), Hughes et al.
patent: 5879241 (1999-03-01), Cook et al.
patent: 2002/0016214 (2002-02-01), Hueber
patent: 2005/0181887 (2005-08-01), Sano et al.
patent: 08-173577 (1996-07-01), None
patent: 10-155952 (1998-06-01), None
patent: 2001-046563 (2001-02-01), None
patent: 2005-198816 (2005-07-01), None
patent: 2005-304679 (2005-11-01), None

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