18.8
12/22/1987
RPI 896
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: 12/22/1987. We update with every new RPI gazette, published weekly.
Applicants
SUBIROS & CIA LTDA [BR]
Inventors
S. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/22/1987
RPI 896
#18.2
03/17/1987
RPI 856
11/11/1986
RPI 838
10/21/1986
RPI 835
#17.1
05/20/1986
RPI 813
#17.1
05/06/1986
RPI 811
#16.1
10/29/1985
RPI 784
#12.1
08/27/1985
RPI 775
#13.1
08/27/1985
RPI 775
#9.1
05/07/1985
RPI 759
#6.1
11/13/1984
RPI 734
#4.1
08/31/1982
RPI 619
#3.2
07/06/1982
RPI 611
#2.1
04/06/1982
RPI 598
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
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