Pedido de licença compulsória
#20.1
10/11/1988
RPI 938
The letters patent expired on 05/31/1994: 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
C. P. (pessoa física)
M. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/11/1988
RPI 938
#16.1
08/30/1983
RPI 671
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
02/16/1982
RPI 591
#21.1
05/31/1994
RPI 1226
From the same holder
Same category
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