Concessão da patente
#16.1
02/28/1989
RPI 958
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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
MARCELLO TITO RIBEIRO DE VAL F [BR]
Inventors
V. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
07/26/1988
RPI 927
#9.1
04/12/1988
RPI 912
#4.1
08/25/1987
RPI 879
#3.1
09/03/1985
RPI 776
#2.1
05/08/1984
RPI 707
#21.1
10/04/1994
RPI 1244
#22.1
05/22/1990
RPI 1019
Same category
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