18.8
09/06/1988
RPI 933
The letters patent expired on 11/24/1992: 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: 09/06/1988. We update with every new RPI gazette, published weekly.
Applicants
UCB
BE
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/06/1988
RPI 933
#18.2
07/12/1988
RPI 925
#16.1
02/24/1982
RPI 592
#21.1
11/24/1992
RPI 1147
From the same holder
Same category
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