Solicitação de exame técnico
#4.1
09/12/1989
RPI 986
The application was refused by the INPI on 01/29/1991. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
PAULO JOAQUIM MACHADO COSTA [BR]
Inventors
C. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/12/1989
RPI 986
#3.2
03/22/1988
RPI 909
#2.1
01/05/1988
RPI 898
#9.2
01/29/1991
RPI 1052
Same category
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