Concessão da patente
#16.1
08/26/1986
RPI 827
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: 08/26/1986. We update with every new RPI gazette, published weekly.
Applicants
METALURGICA ACOREAL LTDA [BR]
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/26/1986
RPI 827
#13.1
05/06/1986
RPI 811
#9.1
01/07/1986
RPI 794
08/13/1985
RPI 773
#6.1
01/02/1985
RPI 741
#4.1
02/14/1984
RPI 695
#3.2
06/14/1983
RPI 660
#2.1
11/09/1982
RPI 629
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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