20.4
08/22/1989
RPI 983
The patent was granted on 08/25/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 08/22/1989. We update with every new RPI gazette, published weekly.
Applicants
SOBRAL IND COM SA [BR]
Inventors
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/22/1989
RPI 983
#16.1
08/25/1987
RPI 879
#13.1
06/09/1987
RPI 868
#9.1
01/06/1987
RPI 846
#4.1
04/15/1986
RPI 808
#3.1
06/18/1985
RPI 765
#2.1
01/10/1984
RPI 690
#18.2
03/10/1992
RPI 1110
From the same holder
Same category
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