HI-LIFE PRODUCTS, INC.

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Patent Activity in the Last 10 Years

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4912789 Waterbed mattressExpiredFeb 06, 89Apr 03, 90[A47C]
4571762 Hybrid waterbed cavityExpiredJul 24, 84Feb 25, 86[A47C]
4509218 Drain pipes for emptying waveless waterbed mattressesExpiredMar 18, 83Apr 09, 85[A47C]
4411033 Waveless waterbedExpiredSep 26, 80Oct 25, 83[A47C]
4181991 Mattress foundationExpiredFeb 09, 78Jan 08, 80[A47C]

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