20.7
09/23/1986
RPI 831
The letters patent expired on 05/16/1995: 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: 09/23/1986. We update with every new RPI gazette, published weekly.
Applicants
I. K. (pessoa física)
Inventors
F. K. (pessoa física)
N. S. (pessoa física)
R. N. (pessoa física)
T. H. (pessoa física)
T. N. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
09/23/1986
RPI 831
#16.1
03/26/1985
RPI 753
#13.1
01/29/1985
RPI 745
#9.1
09/25/1984
RPI 727
#6.1
01/24/1984
RPI 692
#15.11
09/13/1983
RPI 673
#6.1
06/28/1983
RPI 662
#4.1
10/19/1982
RPI 626
#21.1
05/16/1995
RPI 1276
From the same holder
Same category
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