Golf club device

Details Golf club device Golf club device

2003-08-15

2009-02-03

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Practice swingable implement or indicator associated with...

C473S292000, C473S316000, C473S289000, C473S349000, C473S256000, C473S305000

Reexamination Certificate

active

07485048

ABSTRACT:
A golf club device, more specifically a putter (1), comprising a head (2) and a shaft (3) attached to the head (2), the free end of the shaft (3) possibly being provided with a grip, wherein the moment of mass inertia of the head (2) constitutes less than seventy-nine per cent of the total moment of inertia of the putter (1) when the putter (1) is rotated about an axis of rotation (4), which is perpendicular to the longitudinal axis (7) of the shaft (3) and about one hundred and twenty centimeters from the longitudinal axis (5) of the head (2), and/or wherein the mass of the shaft, including a possible displaceable weight (11), divided by the length of the shaft is at least one hundred and seventy grams per meter of shaft in a shaft which is up to one meter long, and at least one hundred and ninety grams per meter of shaft in a shaft which is longer than one meter.

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IPEA Opinion, Sep. 13, 2004.
Applicant's Reply to Opinion, Nov. 11, 2004.
Search Report dated Jan. 28, 2003, in Norwegian priority Application No. 2002 3882, now Norwegian Patent No. 316,426.

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