18.8
09/13/1988
RPI 934
The letters patent expired on 09/19/1995: 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: 09/13/1988. We update with every new RPI gazette, published weekly.
Applicants
E. I. (pessoa física)
E. I. (pessoa física)
IT
Inventors
B. V. (pessoa física)
G. I. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
09/13/1988
RPI 934
#18.2
07/12/1988
RPI 925
#16.1
11/24/1987
RPI 892
08/04/1987
RPI 876
04/15/1986
RPI 808
#12.2
07/23/1985
RPI 770
02/20/1985
RPI 748
#9.2
10/23/1984
RPI 731
#4.1
07/26/1983
RPI 666
#21.1
09/19/1995
RPI 1294
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