Concessão da patente
#16.1
04/30/1985
RPI 758
The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
A. J. (pessoa física)
A. T. (pessoa física)
P. Q. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
09/04/1984
RPI 724
#9.1
05/22/1984
RPI 709
#6.1
12/20/1983
RPI 687
#21.1
05/16/1995
RPI 1276
From the same holder
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