Pedido de licença compulsória
#20.1
06/28/1988
RPI 923
The letters patent expired on 11/15/1994: 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
NELSON SETSUO OYAMADA [BR]
Inventors
O. [. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
06/28/1988
RPI 923
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