Concessão da patente
#16.1
09/29/1987
RPI 884
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: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants
ACO LTDA [BR]
SIVA IND E COMERCIO DE ARTEFAT [BR]
Inventors
F. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#4.1
03/11/1986
RPI 803
#3.1
12/24/1985
RPI 792
#2.1
07/17/1984
RPI 717
#21.1
10/04/1994
RPI 1244
Same category
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