| (11) | Number of the document | 4184 |
| (21) | Number of the application | a 2011 0054 |
| (22) | Filing date of the application | 2011.05.31 |
| | Date of filing the request for examination | (de fond) 31.05.2011 |
| (71) | Name(s) of applicant(s), code of the country | TOPALA Pavel, MD; MAZURU Sergiu, MD; BESLIU Vitalie, MD; COSOVSCHI Pavel, MD; |
| (72) | Name(s) of inventor(s), code of the country | TOPALA Pavel, MD; MAZURU Sergiu, MD; BESLIU Vitalie, MD; COSOVSCHI Pavel, MD; |
| (73) | Name(s) of owner(s), code of the country | TOPALA Pavel, MD; MAZURU Sergiu, MD; BESLIU Vitalie, MD; COSOVSCHI Pavel, MD; |
| (54) | Title of the invention | Process for hardening of metal surfaces |
| (13) | Kind-of-document code | |
| (51) | International Patent Classification | B23H 1/00 (2006.01); B23H 1/06 (2006.01); B23H 9/00 (2006.01); |
| (19) | Country | MD |
| (45) | Date of publication of patent granting decision: | 2012.11.30 |
| (47) | Date of issuance of patent | 2013.08.31 |
| (74) | Patent attorney | TALPĂ Sergiu, Str. Bolgara nr. 156/1, ap. 29, MD -3100 , Balti, Republica Moldova |
| | Substantive examiner(s) | CAISÎM Natalia, CERNEI Tatiana |
| | Payment for maintenance up to the date | 2015.05.31 |
| | Date of patent termination | 2015.05.31 |
| | Date of publication of the termination of patent, with the right of restoration | 2016.01.31 |
| | Date of publication of the termination of patent, without the right of restoration | 2016.11.30 |