Carta-patente expirada
#21.1
08/16/1988
RPI 930
The letters patent expired on 08/16/1988: 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: 08/16/1988. We update with every new RPI gazette, published weekly.
Applicants
Lorenzetti S/A Indústrias Brasileiras Eletrometalúrgicas
PR, BR
Inventors
M. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
08/16/1988
RPI 930
#16.1
08/31/1982
RPI 619
#13.1
03/02/1982
RPI 593
#9.1
10/13/1981
RPI 573
From the same holder
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