Golf ball

Details Golf ball Golf ball

2005-01-04

2005-01-04

Vidovich, Gregory (Department: 3711)

Games using tangible projectile

Golf

Ball

C473S378000

Reexamination Certificate

active

06837806

ABSTRACT:
An upper hemisphere (2) of a golf ball can be divided into five units (7) by five circular arcs (6) extending from a pole (4) to a great circle zone (5). Similarly, a lower hemisphere can be divided into five units (7). The dimple patterns of the respective units (7) are equivalent to each other. Each unit (7) has four first predetermined polygons (8) whose entirety is included therein and two first predetermined polygons (8) whose half is included therein. The number of the first predetermined polygons (8) that can be formed on the surface of the golf ball is 50. The golf ball has 50 large flat portions present in a region other than a region proximate to a great circle zone (5).

REFERENCES:
patent: 4142727 (1979-03-01), Shaw et al.
patent: 4258921 (1981-03-01), Worst
patent: 4722529 (1988-02-01), Shaw et al.
patent: 4869512 (1989-09-01), Nomura et al.
patent: 5106096 (1992-04-01), Dunn
patent: 5292132 (1994-03-01), Oka
patent: 57-22595 (1982-05-01), None
patent: 64-8982 (1989-01-01), None
patent: 4-347177 (1992-12-01), None

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