Concessão da patente
#16.1
01/29/1985
RPI 745
The letters patent expired on 06/13/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
D. J. (pessoa física)
M. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/29/1985
RPI 745
#13.1
10/23/1984
RPI 731
#9.1
07/10/1984
RPI 716
#15.11
03/13/1984
RPI 699
#6.1
12/13/1983
RPI 686
#21.1
06/13/1995
RPI 1280
From the same holder
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