High temperature self lubricating bearing
Patent 4488977 Issued on December 18, 1984. Estimated Expiration Date: 
November 15, 2002. 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.
November 15, 2002. 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 3199934 3755164 Wear-resistant bearing material and a process for making it Method of making bearing materials Patent #: 4136211 InventorAssigneeApplicationNo. 06/441928 filed on 11/15/1982US Classes:508/103Elemental or alloyed metalExaminersPrimary: Howard, Jacqueline V.Attorney, Agent or FirmInternational ClassesF16C 33/20 (20060101)F16C 33/04 (20060101) AbstractThe invention utilizes the ductility of a metal such as gold or silver or other suitably ductile metal having a relatively high fusion temperature, for self-lubrication of a bearing having a coating including exceedingly small particles of such metal in a mixture with load-bearing particles, also exceedingly small, such as tungsten or nickel or a metallic oxide in a coating on a load-bearing surface of such bearing.The invention contemplates not only such a bearing surface but also a method of producing such surface on one element of a bearing. | |
