Golf club head

Details Golf club head Golf club head

2008-09-25

2010-11-02

Blau, Stephen L. (Department: 3711)

Games using tangible projectile

Golf

Club or club support

Reexamination Certificate

active

07824279

ABSTRACT:
This invention provides a golf club head including a plurality of score lines on a face. In the golf club head according to this invention, the angle between each side surface of the score lines and the face is 48° or more. Edges of the score lines are formed to be positioned within a second virtual circle with a radius of 0.011 inches, the second virtual circle being concentric with a first virtual circle which internally touches the side surface of the score line and the face with a radius of 0.010 inches.

REFERENCES:
patent: 5766087 (1998-06-01), Kawamatsu
patent: 6814673 (2004-11-01), Wahl et al.
patent: 10-248974 (1998-09-01), None
patent: 2005-169129 (2008-06-01), None

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