Exigência - art. 36 da LPI
#6.1
08/08/1989
RPI 981
Application data
Number
PI8302125Type
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: 08/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS
MG, BR
Inventors
C. B. (pessoa física)
BR
H. B. (pessoa física)
BR
J. C. (pessoa física)
BR
J. S. (pessoa física)
BR
S. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
08/08/1989
RPI 981
#4.1
08/26/1986
RPI 827
#3.1
12/04/1984
RPI 737
#2.1
06/14/1983
RPI 660
#21.1
Patente extinta em 26/04/98
07/01/2008
RPI 1956
#16.1
04/30/1991
RPI 1065
#13.1
01/15/1991
RPI 1050
#9.1
10/02/1990
RPI 1035
From the same holder
Same category
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