Concessão da patente
#16.1
12/27/1988
RPI 949
The letters patent expired on 05/02/1995: 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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais - USIMINAS (Grupo Siderbrás)
MG, BR
Inventors
D. M. (pessoa física)
D. J. (pessoa física)
S. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
08/09/1988
RPI 929
#9.1
04/26/1988
RPI 914
#15.6
02/09/1988
RPI 903
#15.3
11/03/1987
RPI 889
#7.1
01/10/1984
RPI 690
#21.1
05/02/1995
RPI 1274
From the same holder
Same category
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