Pedido de patente depositado
#2.1
10/31/1989
RPI 993
Application data
Number
PI8903648Type
Filing
Publication
The patent was granted on 05/31/1994 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A
MG, BR
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
R. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
10/31/1989
RPI 993
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