US Patent 6866595 Playing field obstacle device
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Patent abstract
An obstacle device for use on a playing field is formed from an elongate support member. A frame member in the form of a resilient, flexible hoop is coupled to the support member. The frame member has an expanded configuration that defines an expanded frame area. The frame member is resiliently deformable to a collapsed configuration that defines a collapsed frame area that is less than the expanded frame area. A layer of fabric material is attached to the frame member so that the fabric material is spread by the frame when the frame is in the expanded configuration.
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Patent Inventor Names
James C. Elder0
Peter-Matias T. Lopez0
Date of Patent
March 15, 2005
0Patent Application Number
107442510
Date Filed
December 22, 2003
0Patent Primary Examiner
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US Patent 6866595 Playing field obstacle device
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