Concessão da patente
#16.1
04/25/1989
RPI 966
The letters patent expired on 12/07/1993: 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: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/25/1989
RPI 966
#13.1
09/20/1988
RPI 935
08/09/1988
RPI 929
06/30/1987
RPI 871
08/12/1986
RPI 825
10/08/1985
RPI 781
11/13/1984
RPI 734
#12.2
11/16/1983
RPI 682
#15.11
09/13/1983
RPI 673
#9.2
08/02/1983
RPI 667
#4.1
02/24/1982
RPI 592
#21.1
12/07/1993
RPI 1201
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Same category
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