Concessão da patente
#16.1
06/30/1987
RPI 871
The letters patent expired on 04/25/1995: 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: 06/30/1987. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
M. J. (pessoa física)
P. T. (pessoa física)
R. D. (pessoa física)
S. K. (pessoa física)
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/30/1987
RPI 871
#13.1
03/31/1987
RPI 858
#9.1
11/18/1986
RPI 839
10/15/1985
RPI 782
#12.3
06/26/1984
RPI 714
02/21/1984
RPI 696
#6.1
09/27/1983
RPI 675
#15.11
04/05/1983
RPI 650
#6.1
02/22/1983
RPI 644
#4.1
08/03/1982
RPI 615
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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