Pedido de licença compulsória
#20.1
08/23/1983
RPI 670
The letters patent expired on 07/06/1993: 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: 08/23/1983. We update with every new RPI gazette, published weekly.
Applicants
E. P. (pessoa física)
Inventors
E. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
08/23/1983
RPI 670
#16.1
08/31/1982
RPI 619
#13.1
03/23/1982
RPI 596
#9.1
11/17/1981
RPI 578
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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