Concessão da patente
#16.1
03/17/1987
RPI 856
The letters patent expired on 08/19/2008: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
NIPPON STEEL CORP [JP]
Inventors
H. J. (pessoa física)
I. M. (pessoa física)
S. T. (pessoa física)
Y. H. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
05/28/1985
RPI 762
11/27/1984
RPI 736
#4.1
09/14/1982
RPI 621
#2.1
12/01/1981
RPI 580
#21.1
Patente extinta em 20/10/96
08/19/2008
RPI 1963
From the same holder
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