Golf ball

Details Golf ball Golf ball

1989-12-27

1990-12-25

Marlo, George J.

Amusement devices: games

Board games, pieces, or boards therefor

Electrical

A63B 3712

Patent

active

049797476

ABSTRACT:
A golf ball is provided with five sets of dimples, the dimples of each set having a different diameter and a different depth. As the diameter of the dimples decreases, the depth of the dimples increases, and the aspect ratio of the depth to diameter for each set is within the range of 0.025 to 0.055 inch. The side surface of each dimple is formed by a frustum of a cone.

REFERENCES:
patent: 878254 (1908-02-01), Taylor
patent: 4090716 (1978-05-01), Martin et al.
patent: 4560168 (1985-12-01), Aoyama
patent: 4681323 (1987-07-01), Alaki et al.
patent: 4720111 (1988-01-01), Yamada
patent: 4729567 (1988-03-01), Oka et al.
patent: 4744564 (1988-05-01), Yamada
patent: 4787638 (1988-11-01), Kobayashi
patent: 4804189 (1989-02-01), Gobush
patent: 4813677 (1989-03-01), Oka et al.
patent: 4840381 (1989-06-01), Ihara et al.

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