Concessão da patente
#16.1
10/29/1986
RPI 836
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: 10/29/1986. We update with every new RPI gazette, published weekly.
Applicants
D. F. (pessoa física)
Inventors
F. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1986
RPI 836
#13.1
07/15/1986
RPI 821
#9.1
03/25/1986
RPI 805
#6.1
08/13/1985
RPI 773
#6.1
12/26/1984
RPI 740
07/10/1984
RPI 716
#6.1
03/07/1984
RPI 698
#21.1
12/07/1993
RPI 1201
Same category
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