20.7
06/17/1986
RPI 817
The letters patent expired on 11/24/1992: 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: 06/17/1986. We update with every new RPI gazette, published weekly.
Applicants
Singerdo Brasil Industria e Comercio Ltda
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/17/1986
RPI 817
06/03/1986
RPI 815
#20.1
05/27/1986
RPI 814
#20.1
06/01/1982
RPI 606
#16.1
05/12/1981
RPI 551
#21.1
11/24/1992
RPI 1147
Same category
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