Concessão da patente
#16.1
06/25/1985
RPI 766
The letters patent expired on 12/07/1993: 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: 06/25/1985. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - USIMINAS
MG, BR
Inventors
J. A. (pessoa física)
V. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/25/1985
RPI 766
#13.1
03/26/1985
RPI 753
#9.1
11/13/1984
RPI 734
#6.1
06/12/1984
RPI 712
#4.1
08/09/1983
RPI 668
#3.2
11/10/1981
RPI 577
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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