VALMET-DOMINION INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5110062 Detection apparatus for paper build up on reel barExpiredJul 12, 90May 05, 92[B65H]
5083719 Double tire reel spool starterExpiredJun 13, 90Jan 28, 92[B65H]
4986177 Apparatus for controlling the load/relief pressures in a calenderExpiredOct 20, 89Jan 22, 91[B30B]
4905925 Reel bar loading mechanism with outwardly pivoting guide railsExpiredFeb 09, 89Mar 06, 90[B65H]
4842000 Fabric cleaningExpiredFeb 11, 88Jun 27, 89[B08B]
4802954 Forming board for papermaking machineExpiredJun 06, 88Feb 07, 89[D21F]
4744156 Drier felting arrangementExpiredFeb 09, 87May 17, 88[F26B]
4744526 Constant tension reel with automatic reel bar loaderExpiredJul 30, 87May 17, 88[B65H, B21C]
4744720 Reel bar loading deviceExpiredJun 13, 86May 17, 88[B65H]
4677762 Drier felting arrangementExpiredNov 29, 85Jul 07, 87[F26B]
4648943 Vibrating forming shoe in a twin wire formerExpiredApr 30, 85Mar 10, 87[D21F]
4641569 Calender self-locking loading mechanismExpiredApr 05, 85Feb 10, 87[F01B, B30B]
4571283 Reversible slice lipExpiredNov 02, 84Feb 18, 86[D21F]
4455197 Stock supply system for paper machineExpiredDec 06, 82Jun 19, 84[D21F]
4416070 Air-directing device for multiple cylinder dryer of paper machineExpiredNov 24, 81Nov 22, 83[F26B]
4416731 Apparatus for controlling the position and location of a stationary device of a paper machine which acts on a paper web being manufactured thereinExpiredMay 10, 82Nov 22, 83[D21F]
4414062 Headbox of a paper machineExpiredNov 18, 81Nov 08, 83[D21F]
4407227 Surface sizing and coating apparatus for a paper web of a paper machineExpiredNov 20, 81Oct 04, 83[B05C]
4406739 Guide roll and suction box for twin-wire forming systemExpiredNov 03, 81Sep 27, 83[D21F]
4406741 Adjustable headbox for a paper machineExpiredDec 08, 81Sep 27, 83[D21F]

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