Pedido de patente depositado
#2.1
06/07/1988
RPI 920
The application was refused by the INPI on 02/11/1992. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 06/07/1988. We update with every new RPI gazette, published weekly.
Applicants
Metalúrgica Nacional Indústria e Comércio, Importação e Exportação Ltda.
SC, BR
Inventors
N. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
06/07/1988
RPI 920
#3.2
06/07/1988
RPI 920
#9.2
02/11/1992
RPI 1106
#4.1
08/14/1990
RPI 1028
Same category
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