Conhecimento de parecer técnico
#7.1
06/13/1989
RPI 973
Application data
Number
PI8405303Type
Filing
Publication
The application was refused by the INPI on 01/02/1990. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 06/13/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - Grupo Siderbrás
RJ, BR
Inventors
C. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
06/13/1989
RPI 973
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08/12/1986
RPI 825
#3.1
05/27/1986
RPI 814
#2.1
10/22/1985
RPI 783
#9.2
01/02/1990
RPI 1000
From the same holder
Same category
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