Concessão da patente
#16.1
10/30/1984
RPI 732
The letters patent expired on 07/27/1993: 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
D. M. (pessoa física)
M. G. (pessoa física)
M. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/30/1984
RPI 732
#13.1
10/02/1984
RPI 728
07/10/1984
RPI 716
01/10/1984
RPI 690
#12.2
10/18/1983
RPI 678
#9.2
07/12/1983
RPI 664
11/10/1981
RPI 577
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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