136
09/12/1989
RPI 986
The letters patent expired on 08/19/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
I. I. (pessoa física)
Inventors
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/12/1989
RPI 986
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Patente extinta em 10/10/88
08/19/2008
RPI 1963
Same category
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