120
11/21/1989
RPI 996
Application data
Number
PI8206276Type
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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
S. K. (pessoa física)
JP
Inventors
K. N. (pessoa física)
JP
IPC Classification
Priority claims
JP
173242/1981 · 10/28/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
11/21/1989
RPI 996
#12.2
06/20/1989
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#9.2
02/28/1989
RPI 958
#6.1
12/11/1984
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#4.1
11/22/1983
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#3.1
09/20/1983
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#2.1
12/21/1982
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#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era G06F 15/21.
03/20/2018
RPI 2463
#21.1
Patente extinta em 27/10/97
07/01/2008
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09/25/1990
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