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Created with Raphaël 2.1.0 30.05.2019 Formal examination (assignment of filing date) 11.06.2019 Preliminary examination 03.09.2019 Establishment of the national regular filing 04.09.2019 Substantive examination 31.12.2020 Publication of the application (A2) 31.08.2021 Publication of the decision of grant (B1) 28.02.2022 Completion of the opposition filing period 31.03.2022 Issuance of patent (C1) 30.05.2024 Valid until 27.07.2024 30.05.2025 Payment of maintenance fee 30.05.2039 Patent expiration date

Patent in force


(11)Number of the document4766
(21)Number of the applicationa 2019 0043
(22)Filing date of the application2019.05.30
 Date of filing the request for examination (de fond) 30.05.2019
(71)Name(s) of applicant(s), code of the countryUNIVERSITATEA DE STAT DIN MOLDOVA, MD;
(72)Name(s) of inventor(s), code of the countryCOVALIOV Victor, MD; COVALIOVA Olga, MD; NENNO Vladimir, MD; UNGUREANU Dumitru, MD; CIOBANU Natalia, MD;
(73)Name(s) of owner(s), code of the countryUNIVERSITATEA DE STAT DIN MOLDOVA, MD;
(54)Title of the inventionDevice for smokeless combustion of gaseous fuel with low methane content
(13)Kind-of-document code
C1, BOPI 03/2022
B1, BOPI 08/2021
A2, BOPI 12/2020
(51)International Patent Classification F23C 7/00 (2006.01); F23C 13/00 (2006.01);
(19)CountryMD
(41)Date of publication of the application2020.12.31
(45)Date of publication of patent granting decision:2021.08.31
(47)Date of issuance of patent2022.03.31
 Substantive examiner(s)GHIŢU Irina Iurie
 Payment for maintenance up to the date2024.05.30
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