Concessão da patente
#16.1
11/28/1989
RPI 997
The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
F. N. (pessoa física)
SP, BR
J. L. (pessoa física)
SP, BR
Inventors
F. N. (pessoa física)
BR
J. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/28/1989
RPI 997
#13.1
08/08/1989
RPI 981
#9.1
04/11/1989
RPI 964
#6.1
11/22/1988
RPI 944
#4.1
02/17/1988
RPI 904
#3.1
04/08/1986
RPI 807
#2.1
10/30/1984
RPI 732
#18.2
03/10/1992
RPI 1110
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