Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2006-12-12
2006-12-12
Blau, Stephen (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S330000, C473S345000, C473S350000
Reexamination Certificate
active
07147572
ABSTRACT:
The invention provides a wood type golf club head, wherein in a measuring state where a center line of a shaft axis arranged within a vertical plane and is inclined at a set lie angle, and a face angle is set to zero, a distance (d) of center of gravity corresponding to a shortest distance between the center line of the shaft axis and a center of gravity (G) of the head is between 45 and 50 (mm), and a point (T) on which a horizontal tangential line passing through an area center of gravity (FC) of the face surface and being in contact with the face surface intersects a perpendicular line dropped to the tangential line from a sweet spot (SS) is arranged on the tangential line within 2 (mm) from the area center of gravity FC close to a toe, and within 4 (mm) close to a heel.
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Birch & Stewart Kolasch & Birch, LLP
Blau Stephen
SRI Sports Limited
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