Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 05/31/1994: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
K. M. (pessoa física)
P. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#9.1
09/06/1983
RPI 672
#6.1
09/28/1982
RPI 623
#21.1
05/31/1994
RPI 1226
#20.1
10/13/1993
RPI 1193
From the same holder
Same category
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