Deferimento
#9.1
10/24/1989
RPI 992
The letters patent expired on 09/17/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Instituto Mauá de Tecnologia-Imt.
SP, BR
Inventors
J. T. (pessoa física)
BR
L. J. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#9.1
10/24/1989
RPI 992
#4.1
08/30/1988
RPI 932
#3.1
12/01/1987
RPI 893
#2.1
01/13/1987
RPI 847
#21.1
09/17/1996
RPI 1346
#16.1
08/28/1990
RPI 1030
#13.1
03/01/1990
RPI 1007
Same category
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