Solicitação de exame técnico
#4.1
04/12/1988
RPI 912
The patent was granted on 09/24/1991 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: 04/12/1988. We update with every new RPI gazette, published weekly.
Applicants
C. N. (pessoa física)
SP, BR
Inventors
C. N. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
04/12/1988
RPI 912
#3.2
02/02/1988
RPI 902
#2.1
11/10/1987
RPI 890
#18.2
10/31/1995
RPI 1300
#16.1
09/24/1991
RPI 1086
#13.1
06/04/1991
RPI 1070
#9.1
02/19/1991
RPI 1055
Same category
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