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Created with Raphaël 2.1.0 05.08.2019 Formal examination (assignment of filing date) 05.09.2019 Preliminary examination 27.11.2020 Establishment of the national regular filing 19.01.2021 Examination of the conditions for granting STPI 28.02.2021 Publication of the application (U2) 31.10.2021 Publication of the decision of grant (Y) 30.04.2022 Completion of the opposition filing period 31.05.2022 Issuance of patent (Z) 19.05.2024 05.08.2024 Valid until 05.08.2025 Patent expiration date

Patent in force


(11)Number of the document1572
(21)Number of the applications 2019 0088
(22)Filing date of the application2019.08.05
(71)Name(s) of applicant(s), code of the countryINSTITUTIA PUBLICA UNIVERSITATEA TEHNICA A MOLDOVEI, MD;
(72)Name(s) of inventor(s), code of the countryPETROV Oleg, MD;
(73)Name(s) of owner(s), code of the countryUNIVERSITATEA TEHNICA A MOLDOVEI, MD;
(54)Title of the inventionDevice for recirculation and cleaning of exhaust gases from solid fractions and toxic gases of internal combustion engine  
(13)Kind-of-document code
Z, BOPI 05/2022
Y, BOPI 10/2021
U2, BOPI 02/2021
(51)International Patent Classification F01N 1/08 (2006.01); F01N 3/00 (2006.01); F01N 3/01 (2006.01); F01N 3/02 (2006.01); F01N 3/027 (2006.01); F01N 3/037 (2006.01); F01N 9/00 (2006.01);
(19)CountryMD
(41)Date of publication of the application2021.02.28
(45)Date of publication of patent granting decision:2021.10.31
(47)Date of issuance of patent2022.05.31
 Substantive examiner(s)SPATARU Leonid
 Payment for maintenance up to the date2024.08.05
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/Inventions/details/s 2019 0088