Concessão da patente
#16.1
01/25/1983
RPI 640
The letters patent expired on 07/06/1993: 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: 01/25/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
F. M. (pessoa física)
R. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
01/25/1983
RPI 640
#13.1
12/14/1982
RPI 634
#9.1
08/03/1982
RPI 615
#6.1
01/26/1982
RPI 588
#21.1
07/06/1993
RPI 1179
From the same holder
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