Concessão da patente
#16.1
11/25/1986
RPI 840
Application data
Number
PI8107760Type
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: 11/25/1986. We update with every new RPI gazette, published weekly.
Applicants
IBM [US]
Inventors
M. E. (pessoa física)
S. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/25/1986
RPI 840
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
#6.1
11/12/1985
RPI 786
#7.1
03/19/1985
RPI 752
#4.1
08/28/1984
RPI 723
#3.1
08/31/1982
RPI 619
#2.1
01/12/1982
RPI 586
#21.1
Patente extinta em 27/11/96
08/19/2008
RPI 1963
#20.1
10/13/1993
RPI 1193
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Same category
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