Concessão da patente
#16.1
03/30/1982
RPI 597
The letters patent expired on 08/25/1992: 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: 03/30/1982. We update with every new RPI gazette, published weekly.
Applicants
Nitto Kohki Co. Ltd.
JP
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/30/1982
RPI 597
#21.1
08/25/1992
RPI 1134
Same category
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