Concessão da patente
#16.1
06/30/1987
RPI 871
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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
A. B. (pessoa física)
Inventors
A. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
02/17/1987
RPI 852
#9.1
09/23/1986
RPI 831
#4.1
12/10/1985
RPI 790
#3.2
01/22/1985
RPI 744
#2.1
06/19/1984
RPI 713
#21.1
10/04/1994
RPI 1244
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Same category
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