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Created with Raphaël 2.1.0 14.07.1994 Opening of the national phase 31.01.1996 Publication of the PCT application (A) 10.07.1997 Preliminary and substantive examination 30.09.1999 Publication of the decision of grant (B2) 31.03.2000 Completion of the opposition filing period 31.03.2000 Issuance of patent (C2) 21.06.2002 Valid until 31.10.2004 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document1324
(21)Number of the application94-0310
(22)Filing date of the application1991.06.21
 Date of filing the request for examination (de fond) 13.01.1997
(71)Name(s) of applicant(s), code of the countryBUCHER-GUYER AG, MASCHINENFABRIK, CH;
(72)Name(s) of inventor(s), code of the countryHARTMANN Eduard, CH;
(73)Name(s) of owner(s), code of the countryBUCHER-GUYER AG MASCHINENFABRIK, CH;
(54)Title of the invention Diaphragm of a press separating liquids and solids
(13)Kind-of-document code C2
(51)International Patent Classification B29C 43/36 (2006.01); B30B 9/22 (2006.01); B30B 9/26 (2006.01);
(19)CountryCH
(41)Date of publication of the application1996.01.31
(45)Date of publication of patent granting decision:1999.09.30
(47)Date of issuance of patent2000.04.30
(30)Priority2217/90, 1990.07.04, CH
(74)Patent attorneyşşşşş, vvvvv
 Substantive examiner(s)COZMA Valeriu
(85)Date of introducing the national procedure1994.07.14
(86)International applicationPCT/CH1991/000135, 1991.06.21
(87)International publicationWO 1992/00847, 1992.01.23
 Payment for maintenance up to the date2002.06.21
 Date of patent termination2002.06.21
 Date of publication of the termination of patent, with the right of restoration2003.12.31
 Date of publication of the termination of patent, without the right of restoration2004.10.31
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