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US 2007/0178997 A1Published application
Bladder structure of a football
OwnerYen-Li Changinventor
Life of this patent
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Abstract
A football bladder includes an oval body and multiple ribs formed on an outer periphery of the oval body. After a skin is attached to the outer periphery of the oval body, protruding strips are formed on an outer periphery of the skin.
Claims3
A football bladder comprising:
- an oval body;
- and
- multiple ribs formed on an outer periphery of the oval body,
- whereby after a skin is attached to the outer periphery of the oval body to enclose the ribs, multiple protruding strips are formed on an outer periphery of the skin.
1 more element
Dependencies are inferred from the claim text.