Concessão da patente
#16.1
08/30/1983
RPI 671
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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
B. E. (pessoa física)
K. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
06/28/1983
RPI 662
#9.1
03/08/1983
RPI 646
#6.1
08/24/1982
RPI 618
#16.1
12/29/1981
RPI 584
#6.1
10/27/1981
RPI 575
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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