Solicitação de exame técnico
#4.1
09/01/1987
RPI 880
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: 09/01/1987. We update with every new RPI gazette, published weekly.
Applicants
SERGIO DE ARRUDA [BR]
Inventors
A. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/01/1987
RPI 880
#3.2
07/21/1987
RPI 874
#2.1
05/12/1987
RPI 864
#9.2
01/29/1991
RPI 1052
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.