Concessão da patente
#16.1
08/29/1989
RPI 984
The letters patent expired on 08/15/1995: 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
D. B. (pessoa física)
SP, BR
Inventors
D. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/29/1989
RPI 984
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04/25/1989
RPI 966
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12/13/1988
RPI 947
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06/28/1988
RPI 923
#4.1
01/21/1986
RPI 796
#3.2
10/08/1985
RPI 781
#2.1
10/01/1985
RPI 780
#21.1
08/15/1995
RPI 1289
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Same category
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