Concessão da patente
#16.1
09/25/1984
RPI 727
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: 09/25/1984. 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
09/25/1984
RPI 727
#13.1
06/12/1984
RPI 712
03/27/1984
RPI 701
03/20/1984
RPI 700
#12.2
05/17/1983
RPI 656
#9.2
02/01/1983
RPI 641
#7.1
08/03/1982
RPI 615
#4.1
12/01/1981
RPI 580
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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