PSA, Inc.

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Patent Activity in the Last 10 Years

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Top Patents (by citation)

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D403047 Post and dome interconnect for leaching chambersJan 16, 97Dec 22, 98[2301]
D397090 Coupling flange for conduitsMar 11, 96Aug 18, 98[1303]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7413382 Coupler for leaching chamber systemsExpiredJan 05, 07Aug 19, 08[E02B]
6270287 Leaching chamberExpiredJun 19, 00Aug 07, 01[E02B]
5881395 Impact absorbing padExpiredDec 09, 94Mar 16, 99[A41D]
5794275 Impact absorbing shield for protective gearExpiredFeb 09, 96Aug 18, 98[A41D]
5638612 Impact absorbing system for footwearExpiredJul 19, 96Jun 17, 97[A43B]
5441363 Leaching chamberExpiredApr 29, 94Aug 15, 95[E02B]
5235715 Impact asborbing composites and their productionExpiredJan 16, 90Aug 17, 93[B29D, A41D, A43B]
D329684 Leaching chamberExpiredJun 23, 89Sep 22, 92[]
D328159 Body padExpiredJun 06, 89Jul 21, 92[]
4891220 Method and composition for treating hyperlipidemiaExpiredJul 14, 88Jan 02, 90[A61K]
4874640 Impact absorbing composites and their productionExpiredJan 07, 88Oct 17, 89[B05D]
4513449 Shock absorbing athletic equipmentExpiredMay 18, 83Apr 30, 85[A41D]
4486901 Multi-layered, open-celled foam shock absorbing structure for athletic equipmentExpiredMar 25, 83Dec 11, 84[A41D]
4453271 Protective garmentExpiredSep 29, 82Jun 12, 84[A41D]
4441211 Protective batting jacketExpiredJul 11, 83Apr 10, 84[A41D]
4370754 Variable pressure padExpiredSep 28, 79Feb 01, 83[A41D]
4217705 Self-contained fluid pressure foot support deviceExpiredJul 27, 78Aug 19, 80[A43B]

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