Concessão da patente
#16.1
12/27/1988
RPI 949
Application data
Number
PI8205921Type
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: 12/27/1988. We update with every new RPI gazette, published weekly.
Applicants
IBM [US]
Inventors
R. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1988
RPI 949
#13.1
11/16/1988
RPI 943
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07/12/1988
RPI 925
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06/02/1987
RPI 867
#4.1
10/01/1985
RPI 780
#3.1
09/06/1983
RPI 672
#2.1
12/07/1982
RPI 633
#21.1
Patente extinta em 08/10/97
08/19/2008
RPI 1963
From the same holder
Same category
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