Publicação do pedido de patente
#3.1
09/19/1989
RPI 987
Application data
Number
PI8800645Type
Filing
Publication
The application was refused by the INPI on 09/08/1992. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - Grupo Siderbrás
RJ, BR
Inventors
M. S. (pessoa física)
BR
P. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
09/19/1989
RPI 987
#2.1
05/03/1988
RPI 915
#9.2
09/08/1992
RPI 1136
#7.1
10/08/1991
RPI 1088
#4.1
10/09/1990
RPI 1036
From the same holder
Same category
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