Concessão da patente
#16.1
08/29/1989
RPI 984
Application data
Number
PI8207536Type
Filing
Publication
The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS
MG, BR
Inventors
O. D. (pessoa física)
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
#13.1
01/17/1989
RPI 952
12/08/1987
RPI 894
#15.3
10/06/1987
RPI 885
#9.1
05/05/1987
RPI 863
#4.1
07/29/1986
RPI 823
#3.1
07/31/1984
RPI 719
#2.1
02/16/1983
RPI 643
#15.11
01/19/2010
RPI 2037
#21.1
Patente extinta em 28/12/97
07/01/2008
RPI 1956
From the same holder
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