Games using tangible projectile – Golf – Ball
Reexamination Certificate
2007-03-20
2007-03-20
Gorden, Raeann (Department: 3711)
Games using tangible projectile
Golf
Ball
Reexamination Certificate
active
10809864
ABSTRACT:
The present invention provides a multi-piece golf ball comprising a core3, a first intermediate layer5, a second intermediate layer7, and a cover9, wherein the first intermediate layer5comprises a plurality of ribs51formed on the core3; the second intermediate layer7is placed in concave portions surrounded by the ribs51; and the cover9forms an outermost layer; with each of the ribs extending so that its width increases from the cover side to the core side; the concave portions being shaped into a funnel-like form by the side surfaces of the ribs; the hardness of the core3, the first intermediate layer5and the second intermediate layer7being different from each other; and the hardness of the first intermediate layer5being greater than that of the second intermediate layer9.
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Naka Yuri
Ninomiya Norikazu
Ogawa Masao
Onoda Kenji
Armstrong Kratz Quintos Hanson & Brooks, LLP
Gorden Raeann
Mizuno Corporation
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