Pedido de licença compulsória
#20.1
01/10/1984
RPI 690
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: 01/10/1984. We update with every new RPI gazette, published weekly.
Applicants
C. P. (pessoa física)
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
01/10/1984
RPI 690
#16.1
03/30/1982
RPI 597
#13.1
10/06/1981
RPI 572
#21.1
08/25/1992
RPI 1134
Same category
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