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Created with Raphaël 2.1.0 28.02.1996 Formal examination (assignment of filing date) 30.09.1997 Publication of the decision of grant (F1) 31.03.1998 Completion of the opposition filing period 30.06.1998 Issuance of patent (G2) 28.02.1999 Valid until 31.12.2000 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document841
(21)Number of the application96-0048
(22)Filing date of the application1996.02.28
 Date of filing the request for examination (pe raspunderea solicitantului) 28.02.1996
(71)Name(s) of applicant(s), code of the countryUNIVERSITATEA DE STAT DIN MOLDOVA, MD;
(72)Name(s) of inventor(s), code of the countryCOVALIOVA Olga, MD; CRETESCU Igor, RO; GONCIARUC Valeriu, MD; DUCA Gheorghe, MD;
(73)Name(s) of owner(s), code of the countryUNIVERSITATEA DE STAT DIN MOLDOVA, MD;
(54)Title of the inventionMethod and device for sewage treatment from biological hard decomposable organic substances
(13)Kind-of-document code
G2, BOPI 07/1998
F1, BOPI 09/1997
(51)International Patent Classification C02F 1/48 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:1997.09.30
(47)Date of issuance of patent1998.06.30
 Payment for maintenance up to the date1999.02.28
 Date of patent termination1999.02.28
 Date of publication of the termination of patent, with the right of restoration2000.03.31
 Date of publication of the termination of patent, without the right of restoration2000.12.31
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