Pedido de licença compulsória
#20.1
03/31/1987
RPI 858
The letters patent expired on 04/04/1995: 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: 03/31/1987. We update with every new RPI gazette, published weekly.
Applicants
L. D. (pessoa física)
Inventors
L. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
03/31/1987
RPI 858
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10/30/1984
RPI 732
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08/07/1984
RPI 720
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04/03/1984
RPI 702
#6.1
10/04/1983
RPI 676
#4.1
02/22/1983
RPI 644
#21.1
04/04/1995
RPI 1270
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Same category
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