LUKENS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4385928 Agglomeration methodExpiredJul 29, 81May 31, 83[C22B]
4373967 Process for making resulfurized machinable steelExpiredAug 05, 80Feb 15, 83[C21D]
4197898 Controlled cooled mold car and method for the electroslag remelting processExpiredAug 21, 78Apr 15, 80[B22D]
4198249 Steel substrate for glassingExpiredSep 08, 78Apr 15, 80[B32B, C22C]

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