Golf ball

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2011-08-23

2011-08-23

Trimiew, Raeann (Department: 3711)

Games using tangible projectile

Golf

Ball

Reexamination Certificate

active

08002647

ABSTRACT:
A golf ball has an increased surface occupancy ratio of dimples, the dimples are shallow to restrain a lift acting on the golf ball flying in a high-speed region after the ball has been hit, and the lift of the golf ball flying in a low-speed region in the latter half of the trajectory is maintained for a long time, by which a longer carry can be obtained. The golf ball has plural dimples formed on the surface thereof, in which at least about 10 percent of dimples of all the dimples on the surface are noncircular dimples in which a boundary line between a land part and the dimple include a curved line part and a straight line part, and the noncircular dimples each have a flat bottom surface.

REFERENCES:
patent: 7066842 (2006-06-01), Sato et al.
patent: 2005/0239579 (2005-10-01), Sato et al.
patent: 2005-305152 (2005-11-01), None
patent: 2005-319292 (2005-11-01), None
patent: 2006-095281 (2006-04-01), None
patent: 2006-116308 (2006-05-01), None
patent: 2006-130318 (2006-05-01), None
patent: 2006-181133 (2006-07-01), None
patent: 2007-021203 (2007-02-01), None
patent: 2008-012299 (2008-01-01), None

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