Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 05/03/1994: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
D. R. (pessoa física)
Inventors
B. R. (pessoa física)
D. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
08/02/1983
RPI 667
#9.1
03/22/1983
RPI 648
#6.1
08/03/1982
RPI 615
#6.1
02/09/1982
RPI 590
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
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