Golf putter having varied striking surface

Details Golf putter having varied striking surface Golf putter having varied striking surface

2006-06-06

2006-06-06

Caldarola, Glenn (Department: 1764)

Games using tangible projectile

Golf

Club or club support

C473S329000

Reexamination Certificate

active

07056227

ABSTRACT:
A golf putter having a uniquely configured striking surface is claimed. The putter has a striking surface that is twisted between the toe of the putter and the heel of the putter. The loft angle associated with the striking surface of the putter varies from a positive loft angle near the heel to a negative loft angle near the toe. The striking surface of the putter has a midline. The striking surface is twisted about the mid-line. The plane of the twisted striking surface is also slightly curved to eliminate any concave curvatures created by the twist. A non-metallic insert is added to the striking surface. The non-metallic insert has thickness that varies as a function of its position along the mid-line.

REFERENCES:
patent: 4795158 (1989-01-01), Kuykendall
patent: 5098103 (1992-03-01), MacKeil
patent: 5310185 (1994-05-01), Viollaz et al.
patent: 5322285 (1994-06-01), Turner
patent: 5398935 (1995-03-01), Katayama
patent: 5505450 (1996-04-01), Stuff
patent: 6319150 (2001-11-01), Werner et al.

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