Pedido de licença compulsória
#20.1
01/13/1987
RPI 847
The patent was granted on 09/27/1983 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: 01/13/1987. We update with every new RPI gazette, published weekly.
Applicants
NL INDUSTRIES INC
Inventors
F. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
01/13/1987
RPI 847
#16.1
09/27/1983
RPI 675
#13.1
08/02/1983
RPI 667
#9.1
03/29/1983
RPI 649
#6.1
07/20/1982
RPI 613
10/06/1981
RPI 572
#18.2
01/28/1992
RPI 1104
From the same holder
Same category
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