Fabricated clutch pressure plate
Patent 4020937 Issued on May 3, 1977. Estimated Expiration Date: 
May 3, 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.
May 3, 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 2217078 2902130 3410382 3548988 3603438 3635320 Disc brake rotor assembly Patent #: 3941221 InventorApplicationNo. 05/639339 filed on 12/10/1975US Classes:192/107R, Engaging surfaces192/113.23, Air directing structure29/463Peripheral joining of opposed mirror image parts to form a hollow bodyExaminersPrimary: Wyche, Benjamin W.Attorney, Agent or FirmAbstractA fabricated pressure plate for utilization in clutches of all kinds wherein the pressure plate is formed from sheet or roll material by stamping into two or more pieces, which pieces are assembled together and fastened mechanically or by tack-welding to improve the integrity of the final assembled plate. | |
