Solicitação de exame técnico
#4.1
03/05/1985
RPI 750
Application data
Number
PI8108170Type
Filing
Publication
The application was refused by the INPI on 02/24/1993. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 03/05/1985. We update with every new RPI gazette, published weekly.
Applicants
Companhia Siderúrgica Nacional - CSN
RJ, BR
Inventors
L. G. (pessoa física)
S. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/05/1985
RPI 750
#3.1
09/20/1983
RPI 674
#2.1
02/09/1982
RPI 590
#9.2
02/24/1993
RPI 1160
From the same holder
Same category
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