Process of working imperfections or defects on generally thickwalled metal worked-pieces
Patent 4068111 Issued on January 10, 1978. Estimated Expiration Date: 
January 10, 1995. 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.
January 10, 1995. 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 2840685 3487530 3885121 3891821 3920948 InventorAssigneeApplicationNo. 05/606210 filed on 08/20/1975US Classes:219/73.11, For coating219/137RProcessExaminersPrimary: Truhe, J. V.Assistant: Herkamp, N. D. Attorney, Agent or FirmInternational ClassB23K 25/00 (20060101)AbstractA method of repairing casting defects of cast iron workpieces by removing material from the work to provide a smooth cavity, preheating flux material by resistance heating thereof to its melting temperature and filling the cavity by electroslag welding. | |
