Solicitação de exame técnico
#4.1
11/03/1987
RPI 889
The patent was granted on 11/26/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/03/1987. We update with every new RPI gazette, published weekly.
Applicants
R. N. (pessoa física)
BR
Inventors
R. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/03/1987
RPI 889
#3.2
06/30/1987
RPI 871
#2.1
05/12/1987
RPI 864
#18.2
10/11/1994
RPI 1245
#16.1
11/26/1991
RPI 1095
#13.1
07/30/1991
RPI 1078
#9.1
04/16/1991
RPI 1063
#6.1
08/21/1990
RPI 1029
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Same category
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