Concessão da patente
#16.1
11/25/1986
RPI 840
Application data
Number
PI8201749Type
Filing
Publication
The letters patent expired on 07/01/2008: 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
G. J. (pessoa física)
W. J. (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
08/06/1985
RPI 772
#4.1
02/05/1985
RPI 746
#3.1
02/22/1983
RPI 644
#2.1
05/11/1982
RPI 603
#21.1
Patente extinta em 26/03/97
07/01/2008
RPI 1956
#20.1
10/13/1993
RPI 1193
From the same holder
Same category
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