Concessão da patente
#16.1
08/30/1988
RPI 932
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: 08/30/1988. We update with every new RPI gazette, published weekly.
Applicants
E. R. (pessoa física)
Inventors
R. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1988
RPI 932
#9.1
02/09/1988
RPI 903
08/25/1987
RPI 879
#15.11
04/14/1987
RPI 860
#6.1
09/30/1986
RPI 832
#4.1
10/15/1985
RPI 782
#3.1
05/28/1985
RPI 762
#2.1
01/10/1984
RPI 690
#21.1
12/07/1993
RPI 1201
#20.1
07/13/1993
RPI 1180
Same category
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