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US 5,174,573 AGranted
Putter having a head with ball-centering indicia
AssigneeTaylor Made Golf Company, Inc.
InventorsJacques Desbiolles, Andre Pernelle
Life of this patent
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AssigneeTaylor Made Golf Company, Inc.
InventorsJacques Desbiolles, Andre Pernelle
Estimating the term…
A putter having a head with golf ball-centering indicia. The ball-centering indicia include a curvilinear reference which is tangent to the edge formed between the upper surface of the head and the ball-striking surface, or to a parallel line proximate the edge. The curvilinear reference has a radius of curvature which the substantially equal to the nominal radius of a golf ball and is subtended, with reference to the center of curvature by a center angle less than 180.degree. and preferably about 90.degree.. The ball-centering indicia further include a rectilinear reference formed, for example, by a pair of parallel segments positioned symmetrically on both sides of the normal to the tangent point, extending along the direction of the aiming axis. A parallax correction reference can also be provided which enables the golfer to ensure that the head of the putter is properly horizontally positioned about the aiming axis.
A putter head having a generally vertical striking surface, which is generally perpendicular to an aiming axis, and an upper surface, said striking surface and said upper surface intersecting along an edge, said upper surface further having ball-centering indicia which comprise:
A putter head having a generally vertical striking surface, which is generally perpendicular to an aiming axis, and an upper surface, said striking surface and said upper surface intersecting along an edge, said upper surface further having ball-centering indicia which comprise:
Dependencies are inferred from the claim text.