Concessão da patente
#16.1
07/28/1987
RPI 875
Application data
Number
PI8207161Type
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: 07/28/1987. We update with every new RPI gazette, published weekly.
Applicants
IBM [US]
Inventors
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/28/1987
RPI 875
#13.1
05/05/1987
RPI 863
#9.1
12/16/1986
RPI 843
#4.1
11/05/1985
RPI 785
#3.1
10/11/1983
RPI 677
#2.1
02/01/1983
RPI 641
#21.1
Patente extinta em 09/12/97
08/19/2008
RPI 1963
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Same category
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