Concessão da patente
#16.1
03/28/1989
RPI 962
Application data
Number
PI8401306Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
O. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/28/1989
RPI 962
#13.1
09/20/1988
RPI 935
#9.1
05/24/1988
RPI 918
#15.11
05/05/1987
RPI 863
#6.1
06/17/1986
RPI 817
#4.1
06/11/1985
RPI 764
#3.1
02/26/1985
RPI 749
#2.1
06/12/1984
RPI 712
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G06F 15/20; G06K 9/00.
03/27/2018
RPI 2464
#21.1
Patente extinta em 19/03/99
07/08/2008
RPI 1957
From the same holder
Same category
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