Pedido de licença compulsória
#20.1
10/11/1988
RPI 938
The letters patent expired on 05/24/1994: 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: 10/11/1988. We update with every new RPI gazette, published weekly.
Applicants
PHILLIPS PETROLEUM CO
Inventors
A. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/11/1988
RPI 938
#16.1
03/29/1983
RPI 649
#13.1
01/11/1983
RPI 638
#9.1
08/24/1982
RPI 618
10/27/1981
RPI 575
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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