Pedido de licença compulsória
#20.1
11/18/1986
RPI 839
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: 11/18/1986. We update with every new RPI gazette, published weekly.
Applicants
D. I. (pessoa física)
Inventors
M. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/18/1986
RPI 839
11/08/1983
RPI 681
#17.1
06/07/1983
RPI 659
#16.1
02/22/1983
RPI 644
#13.1
12/14/1982
RPI 634
#9.1
08/03/1982
RPI 615
#6.1
02/16/1982
RPI 591
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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