Tetra Pak Developpement S.A.

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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Expired/Abandoned/Withdrawn Patents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
4863670 Method for the molecular orientation of plastic materialExpiredNov 10, 83Sep 05, 89[B29C]
4848601 Packaging means for filling materials which are capable of flow, having a plastics coverExpiredOct 05, 82Jul 18, 89[B65D]
4834823 Package for flowable filling materials having a re-closable openingExpiredSep 28, 87May 30, 89[B29C, B32B]
4818459 Lid of a liquid pack with process and apparatus for producing the sameExpiredNov 03, 87Apr 04, 89[B29C]
4743326 Method and apparatus for making packaging means having reinforcing stripsExpiredOct 20, 86May 10, 88[B32B]
4732735 Method of sterilizing packing materials for the aseptic packaging of fruit juice and wineExpiredMar 31, 87Mar 22, 88[A23C, B65B]
4706874 Package for flowable filling materials having a re-closable openingExpiredFeb 11, 87Nov 17, 87[B65D]
4703876 Package for material capable of flowExpiredFeb 25, 87Nov 03, 87[B65D, B67D]
4671452 Fluid pack with handleExpiredOct 16, 85Jun 09, 87[B65D]
4663916 Apparatus for forming, welding and conveying packsExpiredSep 05, 85May 12, 87[B65B]
4653929 Apparatus for adding a first granular material to a second granular materialExpiredMay 23, 85Mar 31, 87[G05D, B01F]
4646507 Machine for making packs for flowing materialExpiredMay 31, 85Mar 03, 87[B65B]
4632854 Web of packaging material with a sheet of plasticsExpiredMay 31, 85Dec 30, 86[B31B, B32B]
4631444 Readily attachable and detachable electron-beam permeable window assemblyExpiredFeb 20, 86Dec 23, 86[H01J, G21G]
4606954 Arrangement for the manufacture of packing containersExpiredSep 20, 85Aug 19, 86[B29C]
4604850 Pack for fluid filling materials with reclosable opening deviceExpiredJul 17, 84Aug 12, 86[B65B]
4593730 Liquid dispensing apparatusExpiredJul 13, 84Jun 10, 86[B65B]
4581008 Apparatus for forming a perforated tear-line in a blank for a parallelepipedic packageExpiredJul 07, 83Apr 08, 86[B26D, B31F, B31B]
4578004 Apparatus for punching a hole in a paper webExpiredMay 03, 82Mar 25, 86[B23B]
4564139 Packaging means for filling materials which are capable of flow, having a re-closable opening meansExpiredApr 04, 83Jan 14, 86[B65D]

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