Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 07/20/1993: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
H. M. (pessoa física)
H. M. (pessoa física)
S. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
08/30/1983
RPI 671
#9.1
04/12/1983
RPI 651
#6.1
11/10/1981
RPI 577
#21.1
07/20/1993
RPI 1181
From the same holder
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