Solicitação de exame técnico
#4.1
07/04/1989
RPI 976
The application was refused by the INPI on 03/20/1990. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 07/04/1989. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica de Tubarão S/A - CST
ES, BR
Inventors
E. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/04/1989
RPI 976
#4.2
04/25/1989
RPI 966
#3.1
11/29/1988
RPI 945
#2.1
11/17/1987
RPI 891
#9.2
03/20/1990
RPI 1010
From the same holder
Same category
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