Concessão da patente
#16.1
09/29/1987
RPI 884
The letters patent expired on 05/16/1995: 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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
NIPPON STEEL CORP
Inventors
S. S. (pessoa física)
T. S. (pessoa física)
T. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
07/14/1987
RPI 873
#9.1
03/17/1987
RPI 856
#6.1
08/05/1986
RPI 824
#7.1
01/02/1985
RPI 741
#21.1
05/16/1995
RPI 1276
From the same holder
Same category
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