Concessão da patente
#16.1
05/31/1988
RPI 919
The letters patent expired on 11/22/1994: 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: 05/31/1988. We update with every new RPI gazette, published weekly.
Applicants
T A IND E COMERCIO DE APARELHO [BR]
Inventors
A. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1988
RPI 919
#13.1
01/26/1988
RPI 901
#9.1
09/08/1987
RPI 881
#15.11
08/18/1987
RPI 878
#4.1
08/05/1986
RPI 824
#3.1
05/13/1986
RPI 812
#2.1
12/18/1984
RPI 739
#21.1
11/22/1994
RPI 1251
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Same category
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