Concessão da patente
#16.1
02/22/1983
RPI 644
The letters patent expired on 04/25/1995: 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: 02/22/1983. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
M. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/22/1983
RPI 644
#13.1
07/20/1982
RPI 613
#9.1
03/30/1982
RPI 597
#21.1
04/25/1995
RPI 1273
From the same holder
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