Solicitação de exame técnico
#4.1
03/28/1989
RPI 962
The application was refused by the INPI on 11/20/1990. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
SIDERAL IND E COMERCIO LTDA [BR]
Inventors
L. B. (pessoa física)
P. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
03/28/1989
RPI 962
#3.1
10/04/1988
RPI 937
#2.1
07/07/1987
RPI 872
#15.11
04/02/1991
RPI 1061
#9.2
11/20/1990
RPI 1042
Same category
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