Golf club head

Games using tangible projectile – Golf – Club or club support

Reexamination Certificate

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Details

C473S345000, C473S349000, C473S350000

Reexamination Certificate

active

06840872

ABSTRACT:
A golf club head has a face plate of high strength and high resilience and which provides excellent directional stability of the ball trajectory. The golf club head comprises a thick-walled portion3at the center of the face plate2, and at least four narrow ribs4aand4b. Each of the ribs is formed with a thickness not substantially exceeding the thickness of the thick-walled portion, and extends radially from the thick-walled portion toward the perimeter of the face plate. Thin-walled portions5are formed between the thick-walled portion and the narrow ribs.

REFERENCES:
patent: 5993331 (1999-11-01), Shieh
patent: 20010051548 (2001-12-01), Iwata et al.
patent: 0838245 (1998-04-01), None
patent: 9-192273 (1997-07-01), None
patent: 10258142 (1998-09-01), None

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