Electric heating – Metal heating – By arc
Reexamination Certificate
2004-04-05
2009-08-18
Elve, M. Alexandra (Department: 3742)
Electric heating
Metal heating
By arc
C219S121670, C219S121850, C219S121680, C219S121600
Reexamination Certificate
active
07576298
ABSTRACT:
An improved face for a golf club head includes shallow and deep markings configured to provide a pleasing appearance when viewed head on, and to frame the central region of the impact surface of the face when viewed at address. Use of only shallow markings in the central region of the impact surface prevents existence of stress fractures resulting from use of deep markings in the central region. This allows for a face thinner than those incorporating conventional grooves in the central regions of their impact surfaces, resulting in both superior resistance to cracking and improved C.O.R. Specified methods of manufacture are particularly suited for making clubs incorporating these shallow and deep markings.
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Photograph of striking face of “The Judge Rules” golf club head, sold by Paradise Golf Equipment, 1998.
Beach Todd P.
Erb Robert W.
Elve M. Alexandra
Klarquist & Sparkman, LLP
Taylor Made Golf Company Inc.
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