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Created with Raphaël 2.1.0 28.04.2004 Formal examination (assignment of filing date) 10.05.2004 Preliminary examination 01.06.2004 Substantive examination 30.11.2004 Publication of the decision of grant (F1) 31.05.2005 Completion of the opposition filing period 30.06.2005 Issuance of patent (G2) 28.04.2006 Valid until 30.09.2007 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document2610
(21)Number of the applicationa 2004 0097
(22)Filing date of the application2004.04.28
 Date of filing the request for examination (pe raspunderea solicitantului) 11.05.2004
(71)Name(s) of applicant(s), code of the countryTIGHINEANU Ion, MD;
(72)Name(s) of inventor(s), code of the countryMONAICO Eduard, MD; TIGHINEANU Ion, MD; POPA Veaceslav, MD; VOLCIUC Olesea, MD;
(73)Name(s) of owner(s), code of the countryTIGHINEANU Ion, MD;
(54)Title of the inventionProcess semiconductor porous surface obtaining
(13)Kind-of-document code
G2, BOPI 07/2005
F1, BOPI 11/2004
(51)International Patent Classification B82B 3/00 (2006.01); H01L 29/30 (2006.01); H01L 33/00 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:2004.11.30
(47)Date of issuance of patent2005.07.31
 Substantive examiner(s)COJOCARU Ala
 Payment for maintenance up to the date2006.04.28
 Date of patent termination2006.04.28
 Date of publication of the termination of patent, with the right of restoration2007.01.31
 Date of publication of the termination of patent, without the right of restoration2007.09.30
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