Games using tangible projectile – Golf – Club or club support
Reexamination Certificate
2011-07-12
2011-07-12
Passaniti, Sebastiano (Department: 3711)
Games using tangible projectile
Golf
Club or club support
C473S331000
Reexamination Certificate
active
07976405
ABSTRACT:
The present invention is directed to a golf club head with an improved striking surface. The grooves are machined into the strike surface with tight tolerances. The grooves have sharp edges, radiused ends, and a draft angle between about 2° and 12°. The striking face is machined such that it has a uniform texture with a roughness of more than 40 Ra. The face may be selectively textured to enhance certain shots that the golfer may perform. This may include providing a plurality of distinct sets of texturing to accommodate a plurality of different shots. The grooves may contain a plurality of portions, including a radiused or angled portion, a portion having substantially parallel walls, and a portion having a v-shape.
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Gilbert Peter J.
Johnson Gregory D.
Acushnet Company
Mancuso Michael J.
Passaniti Sebastiano
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