20.4
06/28/1988
RPI 923
The patent was granted on 09/30/1986 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: 06/28/1988. We update with every new RPI gazette, published weekly.
Applicants
SIMAO IND METALURG LTDA [BR]
Inventors
H. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/28/1988
RPI 923
#16.1
09/30/1986
RPI 832
#13.1
06/24/1986
RPI 818
#9.1
02/12/1986
RPI 799
#4.1
05/28/1985
RPI 762
#3.1
02/12/1985
RPI 747
#2.1
08/23/1983
RPI 670
#18.2
03/10/1992
RPI 1110
Same category
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