HYDRO INDUSTRIES, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D301731 Hydro-therapy fittingExpiredMar 17, 86Jun 20, 89[]
4671463 Water jet aerator with flow controlling nozzleExpiredNov 13, 85Jun 09, 87[E03C]
4541780 Water jet aerator for ganged operationExpiredNov 07, 83Sep 17, 85[A61H]
4325149 Air supply system for spasExpiredJun 05, 80Apr 20, 82[A61H, A47K, F04D, E04H]
D261419 Safety suction fitting for hydro-therapy spasExpiredNov 05, 79Oct 20, 81[D230]
D260807 Hydro-therapy nozzle for hydro-therapy spasExpiredNov 05, 79Sep 15, 81[D230]
D259735 Hydro-therapy fittingExpiredNov 05, 79Jun 30, 81[D230]

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