20.4
11/10/1987
RPI 890
The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.
Protection valid until:03/19/2001
Latest action published by the INPI: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
Alsthom-Atlantique
FR
Inventors
C. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
07/30/1985
RPI 771
#13.1
01/15/1985
RPI 743
#9.1
09/18/1984
RPI 726
#6.1
03/13/1984
RPI 699
#4.1
10/04/1983
RPI 676
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