Solicitação de exame técnico
#4.1
06/16/1987
RPI 869
Application data
Number
PI8500678Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 06/16/1987. We update with every new RPI gazette, published weekly.
Applicants
S. A. (pessoa física)
DE
Inventors
D. S. (pessoa física)
DE
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/16/1987
RPI 869
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Patente extinta em 13/02/2000
07/15/2008
RPI 1958
#16.1
08/28/1990
RPI 1030
#13.1
05/08/1990
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01/16/1990
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