Golf club head

Games using tangible projectile – Golf – Club or club support

Reexamination Certificate

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Details

C473S349000

Reexamination Certificate

active

06932718

ABSTRACT:
A golf club head is a hollow head made of metal, preferably titanium or a titanium alloy. The golf club head has a face portion, a crown portion, a sole portion, a side portion, and a hosel portion. A thin and small plate made of metal is fixedly attached to the internal surface of the sole portion on the toe side so as to be in tight contact with the internal surface. The thin and small plate made of metal preferably has a thickness of 0.2 mm-1.2 mm, particularly 0.4 mm-1.1 mm, more particularly 0.5 mm-1.0 mm, and a weight of 0.5 g-1.5 g, particularly 0.6 g-1.0 g.

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patent: 5421577 (1995-06-01), Kobayashi
patent: 5755624 (1998-05-01), Helmstetter
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patent: 5830084 (1998-11-01), Kosmatka
patent: 5961394 (1999-10-01), Minabe
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patent: 6206789 (2001-03-01), Takeda
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patent: 6494790 (2002-12-01), Toyota et al.
patent: 6645087 (2003-11-01), Yabu
patent: 11-347156 (1999-12-01), None
patent: 2000-254260 (2000-09-01), None

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