Solicitação de exame técnico
#4.1
05/09/1989
RPI 968
Application data
Number
PI8501961Type
Filing
Publication
The patent was granted on 09/25/1990 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 05/09/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A -USIMINAS (Grupo Siderbras)
MG, BR
Inventors
N. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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05/09/1989
RPI 968
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