Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2007-03-06
2007-03-06
Blau, Stephen (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S332000, C473S342000, C473S350000
Reexamination Certificate
active
11193683
ABSTRACT:
A set of iron-type golf clubs includes long irons with channel back configurations and short irons with cavity back configurations. The rear face configurations transition from channel backs through to pure cavity backs for increased performance continuum for the set. Additional design parameters for the set may also be systematically varied through the set, such as groove type and depth, loft angle, cavity volume, hitting face roughness, and sole width. At least one of the clubs of the set includes a sandwich-type construction for the hitting face having a dampening element disposed between a hitting face insert and a lightweight reinforcing core. In one embodiment, at least one club head is oversized.
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Burnett Michael Scott
Diaz Tomas
Gilbert Peter J.
Kays Christopher R.
Pettibone Bruce R.
Acushnet Company
Blau Stephen
Wheeler Kristin D.
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