Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 09/21/1993: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
M. P. (pessoa física)
Inventors
O. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/25/1987
RPI 879
#13.1
06/09/1987
RPI 868
#9.1
01/13/1987
RPI 847
#6.1
01/19/1982
RPI 587
#21.1
09/21/1993
RPI 1190
From the same holder
Same category
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