Golf club head and golf club

Details Golf club head and golf club Golf club head and golf club

2005-11-01

2005-11-01

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S345000, C473S349000

Reexamination Certificate

active

06960141

ABSTRACT:
A sole portion of a golf club head includes a first portion contacting with ground in address position and a second portion being raised in a direction from the first portion toward a toe portion. The first and second portions are each in a shape of a curved surface convex toward the outside of a head body. An angle of the second portion with respect to the first portion is adjusted such that an angle formed by a first plane contacting with a vertex of the first portion in address position with a prescribed lie angle and a second plane contacting with a vertex of the second portion becomes at least 30° and at most 60°.

REFERENCES:
patent: 1868286 (1932-07-01), Grieve
patent: 5042806 (1991-08-01), Helmstetter
patent: 5301945 (1994-04-01), Schmidt et al.
patent: 5366223 (1994-11-01), Werner et al.
patent: 5470068 (1995-11-01), Schmidt et al.
patent: 11-047318 (1999-02-01), None
patent: 2002-035178 (2002-02-01), None

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