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Created with Raphaël 2.1.0 19.10.2004 Formal examination (assignment of filing date) 29.10.2004 Preliminary examination 10.11.2004 Substantive examination 28.02.2005 Publication of the decision of grant (F1) 31.08.2005 Completion of the opposition filing period 31.10.2005 Issuance of patent (G2) 19.10.2007 Valid until 30.04.2009 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent lapsed


(11)Number of the document2714
(21)Number of the applicationa 2004 0250
(22)Filing date of the application2004.10.19
 Date of filing the request for examination (pe raspunderea solicitantului)
(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; URSACHI Veaceslav, MD;
(73)Name(s) of owner(s), code of the countryTIGHINEANU Ion, MD;
(54)Title of the inventionProcess for obtaining porous semiconductor structures
(13)Kind-of-document code
G2, BOPI 11/2005
F1, BOPI 02/2005
(51)International Patent Classification B82B 3/00 (2006.01); H01L 21/265 (2006.01); H01L 21/3063 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:2005.02.28
(47)Date of issuance of patent2005.11.30
 Substantive examiner(s)COJOCARU Ala
 Payment for maintenance up to the date2007.10.19
 Date of patent termination2007.10.19
 Date of publication of the termination of patent, with the right of restoration2008.05.31
 Date of publication of the termination of patent, without the right of restoration2009.04.30
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