Step Loc Corporation

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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Expired/Abandoned/Withdrawn Patents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
5824175 Carpet seaming tape and methodExpiredJan 23, 96Oct 20, 98[B29C, B32B]
5595041 Carpet installation method using flexible carpet baseExpiredSep 12, 95Jan 21, 97[E04F]
5450698 Flexible carpet baseExpiredApr 06, 94Sep 19, 95[E04F]
5304268 Method for producing adhesive carpet padsExpiredMay 26, 92Apr 19, 94[B32B]
5184445 Method for installing flexible carpet baseExpiredDec 17, 90Feb 09, 93[E04F]
5160770 Carpet pads having pressure sensitive adhesiveExpiredSep 13, 88Nov 03, 92[A61F]
4990399 Carpet cushion with adhesiveExpiredDec 27, 89Feb 05, 91[B32B, D04H]
4797170 System for holding carpet in place without stretchingExpiredJul 07, 86Jan 10, 89[E04B]
4557774 System for holding carpet in place without stretchingExpiredSep 04, 84Dec 10, 85[E04B, E04F, B32B]

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