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Created with Raphaël 2.1.0 10.07.1995 Formal examination (assignment of filing date) 30.11.1996 Publication of the decision of grant (B1) 31.05.1997 Completion of the opposition filing period 30.06.1997 Issuance of patent (C2) 10.07.1998 Valid until 31.12.1999 Publication of the decision of forfeiture, the term of re-establishment has expired

Patent expired


(11)Number of the document610
(21)Number of the application95-0331
(22)Filing date of the application1995.07.10
 Date of filing the request for examination (de fond) 10.07.1995
(71)Name(s) of applicant(s), code of the countryUNIVERSITATEA TEHNICA A MOLDOVEI, MD;
(72)Name(s) of inventor(s), code of the countryBOSTAN Ion, MD; DULGHERU Valeriu, MD;
(73)Name(s) of owner(s), code of the countryUNIVERSITATEA TEHNICA A MOLDOVEI, MD;
(54)Title of the inventionMain reduction gear of the helicopter
(13)Kind-of-document code
C2, BOPI 07/1997
B1, BOPI 11/1996
(51)International Patent Classification B64C 27/04 (2006.01);
(19)CountryMD
(45)Date of publication of patent granting decision:1996.11.30
(47)Date of issuance of patent1997.06.30
 Payment for maintenance up to the date1998.07.10
 Date of patent termination1998.07.10
 Date of publication of the termination of patent, with the right of restoration1999.05.31
 Date of publication of the termination of patent, without the right of restoration1999.12.31
(30*)Priority of the former USSR application4396349/40-23, 1988.03.23, SU
(10*)Title of protection of the former USSR1601909, SU
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