20.7
09/02/1986
RPI 828
The patent was granted on 07/27/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/02/1986. We update with every new RPI gazette, published weekly.
Applicants
FNV FAB NAC VAGOES SA
Inventors
P. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/02/1986
RPI 828
#16.1
07/27/1982
RPI 614
#13.1
12/08/1981
RPI 581
10/20/1981
RPI 574
#18.2
08/28/1990
RPI 1030
From the same holder
Same category
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