Concessão da patente
#16.1
09/26/1989
RPI 988
The letters patent expired on 10/04/1994: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
W. S. (pessoa física)
SC, BR
Inventors
W. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
#13.1
02/21/1989
RPI 957
#9.1
11/01/1988
RPI 941
#6.1
02/23/1988
RPI 905
#6.1
08/18/1987
RPI 878
#15.11
07/15/1986
RPI 821
#6.1
07/01/1986
RPI 819
#4.1
10/02/1984
RPI 728
#3.2
06/26/1984
RPI 714
#2.1
06/19/1984
RPI 713
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era C13L 1/06.
03/27/2018
RPI 2464
#21.1
10/04/1994
RPI 1244
From the same holder
Same category
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