Solicitação de exame técnico
#4.1
05/12/1987
RPI 864
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: 05/12/1987. We update with every new RPI gazette, published weekly.
Applicants
A. J. (pessoa física)
PR, BR
Inventors
A. J. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/12/1987
RPI 864
#3.2
03/10/1987
RPI 855
#2.1
03/04/1987
RPI 854
#21.1
09/17/1996
RPI 1346
#16.1
10/30/1990
RPI 1039
#13.1
08/14/1990
RPI 1028
#9.1
04/10/1990
RPI 1013
Same category
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