Putting practice ball and device

Details Putting practice ball and device Putting practice ball and device

2004-09-03

2009-06-23

Graham, Mark S (Department: 3711)

Games using tangible projectile

Golf

Projectile addressing surface and target, or distance marker

C473S351000, C473S588000, C473S157000

Reexamination Certificate

active

07549930

ABSTRACT:
A golf putting practice device and ball is provided, wherein the ball has a flat end and a friction face which allow the putting practice ball to slide across the level putting surface of the putting practice device. The specific coefficient of friction provided by the friction face of the putting practice ball reduces the speed and the distance the putting practice ball travels over a putting surface of the putting practice device. This allows a golfer to practice a complete range of putts on a conveniently sized portable device.

REFERENCES:
patent: 2812184 (1957-11-01), McGee
patent: 3232619 (1966-02-01), Burk
patent: 3332688 (1967-07-01), Gevertz
patent: 3540735 (1970-11-01), Miller
patent: 3870308 (1975-03-01), Reilly
patent: 5226660 (1993-07-01), Curchod
patent: 5431403 (1995-07-01), Pelz
patent: 5478612 (1995-12-01), Hack et al.
patent: D526239 (2006-08-01), Porter
patent: 2004/0152529 (2004-08-01), Chen
patent: 2007/0202962 (2007-08-01), Breaker et al.

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