Concessão da patente
#16.1
10/20/1981
RPI 574
The letters patent expired on 07/20/1993: 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: 10/20/1981. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/20/1981
RPI 574
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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