Games using tangible projectile – Player held and powered – nonmechanical projector – per se,... – Bat
Reexamination Certificate
2007-05-08
2007-05-08
Graham, Mark S. (Department: 3711)
Games using tangible projectile
Player held and powered, nonmechanical projector, per se,...
Bat
C473S567000
Reexamination Certificate
active
11244638
ABSTRACT:
Disclosed herein is a bat comprising a handle portion, a transition portion attached to the handle portion, and a barrel portion attached to the transition portion. The barrel portion includes one or more first cross-sections having a first stiffness and a plurality of second cross-sections having a second stiffness. Each first cross-section is beside one second cross-section or between two of the second cross-sections and the first stiffness is greater than the second stiffness. The variance in stiffness between the first cross-sections and the second cross-sections is created by varying the amount of material in the cross-section or by, more accurately, removing material in the second cross sections to make the second cross-sections more flexible by creating slots. Likewise, a bat may be provided with third cross sections on the sides of the second cross-sections distal from the first cross-section whereby the third cross-sections are less stiff that the second cross-sections because more material is removed.
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At least as early as 2002, Miken Sports sold its Ultra2 Softball Bat that has a composite sleeve that was thick in the middle and thin at either edge.
Mathew Biju
Vacek Matthew V.
Graham Mark S.
Lanquist, Jr. Edward D.
Rawlings Sporting Goods Company, Inc.
Waddey & Patterson , P.C.
Walker Phillip F.
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