Concessão da patente
#16.1
05/30/1989
RPI 971
Application data
Number
PI8300445Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
N. K. (pessoa física)
Y. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/30/1989
RPI 971
#13.1
01/03/1989
RPI 950
#9.1
09/13/1988
RPI 934
#6.1
03/15/1988
RPI 908
#6.1
03/05/1985
RPI 750
#4.1
01/24/1984
RPI 692
#3.1
11/01/1983
RPI 680
#2.1
03/15/1983
RPI 647
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era G06F 15/30.
03/27/2018
RPI 2464
#21.1
Patente extinta em 28/01/98
07/01/2008
RPI 1956
From the same holder
Same category
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