Surgical implant and method for its production
Patent 3987499 Issued on October 26, 1976. Estimated Expiration Date: 
October 26, 1993. 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 26, 1993. 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 2696817 3067740 3368712 3397076 3426364 3658056 3707006 3717932 InventorsAssigneeApplicationNo. 496268 filed on 08/09/1974US Classes:623/17.11, Spine bone606/61, Spinal positioner or stabilizer606/72, Orthopedic fastener623/22.46Including protruding means projects into a bore in femoral stem or neckExaminersPrimary: Frinks, Ronald L.Attorney, Agent or FirmForeign Application Priority Data1973-08-10 DTAbstractA surgical implant is produced by coating a metallic substrate with enamel. The metallic substrate provides structural strength and the enamel provides chemical stability, resistance to wear, tissue compatibility, progressive ingrowth and electrical insulating properties. The implant may be produced by coating a portion of the metallic substrate with a partially crystallized enamel, and then positioning the implant on a firing support with the partially crystallized enamel in contact with the support and coating the remaining non-enamelled surface.Other References
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