Patent expired

(11)	Number of the document	10
(21)	Number of the application	93-0063
(22)	Filing date of the application	1993.11.15
	Date of filing the request for examination	(de fond) 15.11.1993
(71)	Name(s) of applicant(s), code of the country	DR.-ING. REINHART FON NORDENSKJOLD, DE;
(72)	Name(s) of inventor(s), code of the country	DR.-ING. REINHART FON NORDENSKJOLD, DE;
(73)	Name(s) of owner(s), code of the country	DR.-ING. REINHART FON NORDENSKJOLD, DE;
(54)	Title of the invention	Method of biological cleaning of sewage
(13)	Kind-of-document code	C2, BOPI 09/1994 B1, BOPI 03/1994
(51)	International Patent Classification	C02F 3/02 (2006.01);
(19)	Country	DE
(45)	Date of publication of patent granting decision:	1994.03.31
(47)	Date of issuance of patent	1994.08.18
(30)	Priority	P 3619954.0, 1986.06.13, DE
(74)	Patent attorney	SOCOLOVA Sofia, Str. Drumul Viilor nr. 42, bloc 3, ap. 60, MD-2021, Chiєinгu, Republica Moldova
	Payment for maintenance up to the date	2001.11.15
	Date of patent termination	2001.11.15
	Date of publication of the termination of patent, with the right of restoration	2003.02.28
	Date of publication of the termination of patent, without the right of restoration	2003.09.17
(30*)	Priority of the former USSR application	4202821/26, 1987.06.12, SU
(10*)	Title of protection of the former USSR	1787138, SU