JONES & LAUGHLIN STEEL, INCORPORATED, A DE. CORP. (INTO)

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4456417 Method and apparatus for aligning, supporting, and transporting hollow cylindersExpiredSep 22, 82Jun 26, 84[B22D]
4359202 Apparatus for bottom casting metal ingotsExpiredFeb 11, 80Nov 16, 82[B22D]
4357003 Blast furnace cast house pollutant suppressionExpiredSep 24, 80Nov 02, 82[B22D, C21C, C21B]
4357125 Railway ingot mold carExpiredAug 28, 80Nov 02, 82[B61F, B61D, B60P]
4354668 Method and apparatus for determining completion of a cast in blast furnace casthouse pollution suppression systemExpiredAug 20, 81Oct 19, 82[B22D, C21B]
4345940 Desulfurizing processExpiredApr 13, 81Aug 24, 82[C21C]
4341554 Process for desulfurizing steelExpiredApr 02, 81Jul 27, 82[C21C]
4290463 Loading armExpiredMar 11, 80Sep 22, 81[B65G, B65B]
4289548 High strength cold finished barsExpiredAug 19, 77Sep 15, 81[C21D]
4277279 Method and apparatus for dispensing a fluidized stream of particulate materialExpiredMar 24, 80Jul 07, 81[C21C]
4266969 Desulfurization processExpiredJan 22, 80May 12, 81[C21C]
4238230 Process for producing free-machining steelExpiredSep 28, 78Dec 09, 80[B22D]
4217177 Vented coke oven door apparatusExpiredDec 05, 78Aug 12, 80[C10B]
4213322 Method and apparatus for upsetting pipeExpiredOct 16, 78Jul 22, 80[B21D]
4207145 Method to control carbon formation and temperature in the free space of coke oven chambersExpiredJul 27, 78Jun 10, 80[C10B]
4200499 Warp-resistant doorjamb for a coke ovenExpiredNov 24, 78Apr 29, 80[C10B]
4188824 Coating adherence prospensity testing of metal substratesExpiredJun 02, 78Feb 19, 80[G01N]
4181524 Free machining high sulfur strand cast steelExpiredJun 12, 78Jan 01, 80[C22C]

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