Concessão da patente
#16.1
02/28/1989
RPI 958
Application data
Number
PI8500291Type
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: 02/28/1989. We update with every new RPI gazette, published weekly.
Applicants
IBM [US]
Inventors
A. C. (pessoa física)
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/28/1989
RPI 958
#13.1
11/16/1988
RPI 943
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09/27/1988
RPI 936
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07/12/1988
RPI 925
#4.1
10/06/1987
RPI 885
#3.1
12/03/1985
RPI 789
#2.1
04/23/1985
RPI 757
#21.1
Patente extinta em 23/01/2000
08/19/2008
RPI 1963
From the same holder
Same category
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