R & G Sloane Manufacturing Company, Inc.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5353914 Mechanism and method for orienting articlesExpiredApr 27, 93Oct 11, 94[B65G]
5022685 Secondary containment system and methodExpiredAug 21, 89Jun 11, 91[F16L]
4958857 Welding seal assemblyExpiredJan 30, 89Sep 25, 90[F16L]
4905766 Adapter for plastic pipeExpiredNov 16, 88Mar 06, 90[A62C]
4508368 Plastic pipe jointExpiredMar 01, 82Apr 02, 85[F16L]
4436988 Spiral bifilar welding sleeveExpiredMar 01, 82Mar 13, 84[H05B]
4402829 Disc-type filterExpiredJan 04, 82Sep 06, 83[B01D]
4327895 Ball valveExpiredAug 08, 80May 04, 82[F16K]

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