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
MIGUEL PRIETO JUNIOR [BR]
Inventors
P. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/29/1987
RPI 884
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07/14/1987
RPI 873
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03/17/1987
RPI 856
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07/22/1986
RPI 822
#4.1
04/30/1985
RPI 758
#3.2
01/29/1985
RPI 745
#2.1
07/03/1984
RPI 715
#21.1
10/04/1994
RPI 1244
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