Concessão da patente
#16.1
11/29/1988
RPI 945
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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
MINAS GERAIS SIDERURG [BR]
Inventors
P. M. (pessoa física)
Q. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1988
RPI 945
#13.1
07/19/1988
RPI 926
#9.1
03/15/1988
RPI 908
#15.6
01/12/1988
RPI 899
#15.3
09/22/1987
RPI 883
#6.1
09/30/1986
RPI 832
#4.1
10/15/1985
RPI 782
#3.1
06/19/1984
RPI 713
#2.1
01/04/1983
RPI 637
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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