Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 10, 2009
Patent Application Number
10756691
Date Filed
January 13, 2004
Patent Primary Examiner
Patent abstract
A flying disc has a radially symmetric form having an upper surface and a lower surface. The upper surface includes a raised central portion, a flat annular ring encompassing the raised central portion, and a raised rim extending above and encompassing the flat annular ring. A maximum height of the central raised portion above the flat annular ring is no greater than a height of the raised rim.
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