Concessão da patente
#16.1
10/30/1984
RPI 732
The letters patent expired on 06/13/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
G. R. (pessoa física)
M. R. (pessoa física)
R. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/30/1984
RPI 732
#13.1
09/04/1984
RPI 724
#9.1
05/15/1984
RPI 708
#4.1
12/14/1982
RPI 634
#21.1
06/13/1995
RPI 1280
From the same holder
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