Frame for various cycles
Patent 4015854 Issued on April 5, 1977. Estimated Expiration Date: 
April 5, 1994. 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.
April 5, 1994. 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 603006 2330560 2370726 2378961 2493037 3508765 3833242 InventorApplicationNo. 05/561834 filed on 03/25/1975US Classes:280/281.1, Frames and running gear280/152.1, Velocipede type280/274Frames and running gearExaminersPrimary: Peters, Joseph F. Jr.Assistant: Silverstrim, John P. Attorney, Agent or FirmForeign Application Priority Data1974-03-29 FRAbstractA unitary molded or cast bicycle frame formed by a plurality of elements of open cross-section and integral with each other to form a unitary structure, such elements including a top crossbar, a steering tube at one end, the front end, of the crossbar, a transverse crank gear case below and spaced downwardly from the top crossbar, a bottom member extending from the steering tube to the crank gear case, a two-armed, wheel receiving fork extending rearwardly from the crank gear case and having wheel spindle receiving openings at the rearward ends of the arms, a pair of struts extending from the arms of said fork adjacent said openings to the opposite, rear end of the top crossbar and a strut member extending from said struts at portions thereof intermediate said top crossbar and said openings to the arms of said fork adjacent said crank gear case. A saddle or seat tube or opening is provided at or adjacent the juncture of the struts and the top crossbar. | |
