Concessão da patente
#16.1
03/27/1984
RPI 701
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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
M. C. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
01/17/1984
RPI 691
#9.1
09/27/1983
RPI 675
#6.1
04/05/1983
RPI 650
#15.11
11/30/1982
RPI 632
#6.1
09/14/1982
RPI 621
12/29/1981
RPI 584
#21.1
07/20/1993
RPI 1181
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