Concessão da patente
#16.1
03/31/1987
RPI 858
The patent was granted on 03/31/1987 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
JOAO RODRIGUES NAVES [BR]
Inventors
N. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/31/1987
RPI 858
#13.1
12/02/1986
RPI 841
#9.1
08/12/1986
RPI 825
#6.1
11/19/1985
RPI 787
#4.1
04/30/1985
RPI 758
#3.1
02/05/1985
RPI 746
#2.1
07/19/1983
RPI 665
#18.2
10/02/1990
RPI 1035
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