16.3
07/26/1983
RPI 666
The letters patent expired on 05/03/1994: 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: 07/26/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
H. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
07/26/1983
RPI 666
#9.1
01/25/1983
RPI 640
#6.1
07/13/1982
RPI 612
#6.1
01/26/1982
RPI 588
#21.1
05/03/1994
RPI 1222
From the same holder
Same category
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