W-shaped composite bicycle frame
Patent 5273303 Issued on December 28, 1993. Estimated Expiration Date: 
October 15, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
October 15, 2012. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References D235249 2773695 3329444 Bicycle frame Integral rear wheel suspension for composite material bicycle frame Bicycle frame Bicycle frame Patent #: 5188384 InventorAssigneeApplicationNo. 946855 filed on 10/15/1992US Classes:280/288.3, Hollow shell frames280/274, Frames and running gear280/281.1, Frames and running gearD12/111Bicycle or frameExaminersPrimary: Focarino, Margaret A.Assistant: Hurley, Kevin Attorney, Agent or FirmForeign Patent References
International ClassesB62K 019/00B62K 019/02 AbstractA bicycle frame constructed of a composite material and formed of an integral, one-piece unit having a W-SHAPED geometry when viewed from each side thereof. | |
