Solicitação de exame técnico
#4.1
08/23/1988
RPI 931
The application was refused on 06/09/1992 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
OSWALDO DE OLIVEIRA FILHO [BR]
Inventors
O. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/23/1988
RPI 931
#3.2
12/22/1987
RPI 896
#2.1
12/08/1987
RPI 894
06/09/1992
RPI 1123
#12.2
09/04/1990
RPI 1031
#9.2
05/15/1990
RPI 1018
Same category
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