Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 10/04/1994: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
SERGIO FIGUEIREDO [BR]
Inventors
F. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
10/20/1987
RPI 887
#9.1
06/23/1987
RPI 870
#6.1
09/30/1986
RPI 832
#4.1
01/21/1986
RPI 796
#3.1
08/20/1985
RPI 774
#2.1
03/20/1984
RPI 700
#21.1
10/04/1994
RPI 1244
Same category
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