Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Bat
Reexamination Certificate
2011-03-01
2011-03-01
Graham, Mark S (Department: 3711)
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Bat
Reexamination Certificate
active
07896763
ABSTRACT:
A ball bat exhibits improved barrel performance in regions located away from the “sweet spot” of the bat barrel, as a result of strategic placement of interface shear control zones (“ISCZs”) in the barrel. The ball bat includes a barrel having a first region adjacent to the tapered section of the ball bat, a second region adjacent to the free end of the barrel, and a third region located between the first and second regions, that includes the sweet spot of the barrel. The first and second regions each include at least one interface shear control zone. The third region includes at least one fewer interface shear control zone than at least one of the first and second regions. ISCZs may also be strategically placed in the bat handle and/or the tapered section of the ball bat to improve the compliance and overall performance of the ball bat.
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Chauvin Dewey
Chuang Hsing-Yen
Giannetti William B.
Easton Sports, Inc.
Graham Mark S
Perkins Coie LLP
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