Pedido de licença compulsória
#20.1
11/10/1987
RPI 890
The patent was granted on 04/30/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
SUMITOMO ALUMINIUM SMELTING CO
Inventors
K. N. (pessoa física)
T. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
11/10/1987
RPI 890
#16.1
04/30/1985
RPI 758
#13.1
03/05/1985
RPI 750
#9.1
10/23/1984
RPI 731
#6.1
05/02/1984
RPI 706
#7.1
04/19/1983
RPI 652
#4.1
03/09/1982
RPI 594
#18.2
09/25/1990
RPI 1034
From the same holder
Same category
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