Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 07/27/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
PRADA CO METALURGICA
Inventors
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#9.1
06/14/1983
RPI 660
12/14/1982
RPI 634
#21.1
07/27/1993
RPI 1182
Same category
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