Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 11/14/1995: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
Hitachi, Ltd.
JP
Inventors
T. K. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
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