Concessão da patente
#16.1
01/31/1984
RPI 693
The letters patent expired on 06/21/1994: 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: 01/31/1984. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
L. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/31/1984
RPI 693
#13.1
12/06/1983
RPI 685
#9.1
08/16/1983
RPI 669
#4.1
12/22/1981
RPI 583
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
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