C. Delachaux

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4704502 Suspension assembly for electricity power supply railsExpiredMay 28, 85Nov 03, 87[B60M]
4641818 Apparatus for adjusting two butt-ends of rails to be connected by weldingExpiredJul 20, 81Feb 10, 87[B25B]
4546218 Suspension system for an overhead contact wire for electric traction vehiclesExpiredDec 01, 83Oct 08, 85[B60M]
4504310 Process for the production of high purity metals or alloysExpiredAug 05, 83Mar 12, 85[C21B]
4378909 Fish-plates for electrically conducting railway railsExpiredOct 22, 80Apr 05, 83[H01R, E01B, B60M]
4363939 Electrical supply line for the supply or current to railway vehiclesExpiredNov 10, 80Dec 14, 82[B60M]
4348959 Rail gap adjusting deviceExpiredMay 16, 80Sep 14, 82[B23K, E01B]
4320708 Devices for adjusting two butt ends of rails to be connected by weldingExpiredMar 05, 80Mar 23, 82[E01B]
4313382 Setting arrangement for alignment and gap between two rail endsExpiredJan 21, 80Feb 02, 82[E01B]

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