Solicitação de exame técnico
#4.1
11/04/1986
RPI 837
Application data
Number
PI8500289Type
Filing
Publication
The application was refused by the INPI on 02/13/1991. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 11/04/1986. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - Grupo Siderbrás
RJ, BR
Inventors
A. M. (pessoa física)
BR
A. S. (pessoa física)
BR
L. C. (pessoa física)
BR
R. L. (pessoa física)
BR
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/04/1986
RPI 837
#3.1
09/02/1986
RPI 828
#2.1
05/20/1986
RPI 813
#15.11
07/09/1991
RPI 1075
#9.2
02/13/1991
RPI 1054
#7.1
01/16/1990
RPI 1002
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