Catheter Technology Corporation

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4995863 Catheter with slit valveExpiredFeb 25, 88Feb 26, 91[A61M]
4983168 Medical layered peel away sheath and methodsExpiredJan 05, 89Jan 08, 91[A61M]
4801314 Deaerator for the feed water to a steam generatorExpiredApr 01, 88Jan 31, 89[B01D]
4772266 Catheter dilator/sheath assembly and methodExpiredMay 04, 87Sep 20, 88[A61M]
4772270 Inseparable port/catheter tube assembly and methodsExpiredJun 18, 87Sep 20, 88[A61M]
4772276 Catheter tube coupling assembly and methodsExpiredJul 27, 87Sep 20, 88[A61N]
4753640 Catheters and methodsExpiredOct 06, 86Jun 28, 88[A61M]
4701166 Valved two-way catheterExpiredOct 02, 86Oct 20, 87[A61M]
4671796 Valved two-way catheterExpiredOct 25, 85Jun 09, 87[A61M]
4559046 Apparatus for intravenous therapy and hyperalimentationExpiredJul 28, 83Dec 17, 85[A61M]
4549879 Valved two-way catheterExpiredMay 03, 83Oct 29, 85[A61M]
4547194 Hub assemblies and extensions for indwelling catheter tubes and methodExpiredMar 16, 84Oct 15, 85[A61M]
4529399 Method and apparatus for placing a catheterExpiredMay 03, 83Jul 16, 85[A61M]
4431426 Methods and apparatus for intravenous therapy and hyperalimentationExpiredOct 03, 80Feb 14, 84[A61M]
4327722 Methods and apparatus for intravenous therapy and hyperalimentationExpiredAug 20, 79May 04, 82[A61M]

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