Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 06/21/1994: 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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
IBM
Inventors
H. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
05/17/1983
RPI 656
#9.1
12/07/1982
RPI 633
#6.1
06/29/1982
RPI 610
#4.1
11/17/1981
RPI 578
#21.1
06/21/1994
RPI 1229
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