POLYMER & STEEL TECHNOLOGIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5647415 Funnel for a drumExpiredOct 11, 95Jul 15, 97[B65B]
5598594 Spill containment rampExpiredJun 05, 95Feb 04, 97[E01F, E01D]
5359955 Spill pallet with improved load bearing capabilityExpiredJul 16, 93Nov 01, 94[B65D]
D317850 FunnelExpiredMay 25, 90Jul 02, 91[]
4708258 Salvage drumExpiredMar 04, 87Nov 24, 87[B65D]

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