Coreless torque converter
Patent 5271716 Issued on December 21, 1993. Estimated Expiration Date: 
September 16, 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.
September 16, 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 3797243 3891350 InventorAssigneeApplicationNo. 945782 filed on 09/16/1992US Classes:416/180, Blades projecting axially from concavo-convex annular web416/197CTorque convertersExaminersPrimary: Look, Edward K.Assistant: Verdier, Christopher Attorney, Agent or FirmInternational ClassF01D 005/04Foreign Application Priority Data1991-11-06 JPAbstractA coreless torque converter includes a pump impeller provided with coreless blades each having a first leading edge directed forward; a turbine runner provided with coreless blades each having a second leading edge directed rearward; and a stator provided with coreless blades each having front and rear edges which face the second and first leading edges respectively. Each of the first and second leading edges extends generally straight connecting radially outward and inward terminal ends thereof.Other References
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