Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 6, 2009
Patent Application Number
11213272
Date Filed
August 26, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A bicycle frame is disclosed that includes a set of tubes connected together. At least a portion of one of the tubes comprises at least three layers of materials. For example, in one embodiment, the seat tube includes an inner layer of carbon fiber, a middle layer of aluminum (or other metal), and an outside layer of carbon fiber.
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