18.8
08/23/1988
RPI 931
Application data
Number
PI8105783Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
S. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/23/1988
RPI 931
#18.2
07/12/1988
RPI 925
#16.1
02/04/1986
RPI 798
#13.1
01/14/1986
RPI 795
08/27/1985
RPI 775
#6.1
12/11/1984
RPI 738
#4.1
05/02/1984
RPI 706
#3.1
05/25/1982
RPI 605
#2.1
10/27/1981
RPI 575
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G06F 15/20; B41J 29/38; G06F 3/09; H02P 8/14; H02P 8/40.
03/27/2018
RPI 2464
#21.1
Patente extinta em 10/09/96
08/19/2008
RPI 1963
From the same holder
Same category
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