Scapa-Porritt Limited

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4,827,579 Jointing of fabric endsExpiredDec 11, 87May 09, 89[A44B]
4,813,156 Papermachine and like fabricsExpiredDec 22, 86Mar 21, 89[F26B]
4,662,994 Link beltsExpiredMay 20, 86May 05, 87[D21F]
4,557,025 Automatic seaming machineExpiredApr 19, 84Dec 10, 85[D21F]
4,529,013 Papermakers fabricsExpiredAug 04, 81Jul 16, 85[D21F, D03D]
4,505,383 Edge guard means for a link belt and a link belt embodying such meansExpiredDec 08, 81Mar 19, 85[B65G]
4,502,595 Conveying and like structuresExpiredJan 20, 83Mar 05, 85[B65G]
4,289,173 Papermakers fabricsExpiredJan 21, 80Sep 15, 81[D03D]
4,244,084 Jointing of fabric endsExpiredJul 24, 78Jan 13, 81[D21F, F16G]
4,182,381 Papermakers fabricsExpiredAug 08, 77Jan 08, 80[D21F, D03D]

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