20.4
11/10/1987
RPI 890
The patent was granted on 08/26/1986 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: 11/10/1987. We update with every new RPI gazette, published weekly.
Applicants
D. R. (pessoa física)
DE
Inventors
E. J. (pessoa física)
K. A. (pessoa física)
P. K. (pessoa física)
S. F. (pessoa física)
T. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/10/1987
RPI 890
#16.1
08/26/1986
RPI 827
#13.1
06/24/1986
RPI 818
#15.11
02/12/1986
RPI 799
#9.1
02/12/1986
RPI 799
#6.1
11/13/1984
RPI 734
#6.1
02/14/1984
RPI 695
#4.1
06/28/1983
RPI 662
#18.2
09/25/1990
RPI 1034
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