Vickers Shipbuilding & Engineering Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5550555 Structures subject to loadingExpiredJan 17, 89Aug 27, 96[H01Q, B25G]
5544563 Primer cartridge leader for gunsExpiredDec 09, 93Aug 13, 96[F41A]
5266245 Methods for applying acoustic coverings to surfaces of a marine vesselExpiredFeb 19, 93Nov 30, 93[B29C]
5141823 Electrical generating plantExpiredMar 04, 85Aug 25, 92[H01M]
5106439 Application of coverings to surfacesExpiredJan 18, 90Apr 21, 92[E04B, G05G, B65C, B32B]
5106901 Thermally resistant materialsExpiredDec 13, 89Apr 21, 92[C08J, C08L, C08K]
5082995 Electrical cablesExpiredDec 13, 89Jan 21, 92[H01B]
4925415 Frictional jointsExpiredJun 29, 88May 15, 90[B63H]
4859107 Structures subject to bending and fatigue loadingExpiredDec 02, 87Aug 22, 89[F16T]
4816007 Radially interengaged vane coupling with circumferentially arranged resilient padsExpiredSep 24, 86Mar 28, 89[F16D]
4774855 Apparatus for providing an electrical generator with a constant rotational speed from a variable speed inputExpiredJan 15, 86Oct 04, 88[F16H]
4746101 Induction hardening of gear teethExpiredMay 05, 86May 24, 88[C21D]
4743218 Interengaged vane coupling with circumferentially arranged resilient padsExpiredSep 24, 86May 10, 88[F16D]
4687409 Article handling apparatusExpiredJun 14, 85Aug 18, 87[B65G]
4668940 Portable hazard warning apparatusExpiredAug 28, 84May 26, 87[G08B]
4589935 Method of induction hardening of gear teethExpiredJul 18, 84May 20, 86[C21D]

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