20.7
10/06/1987
RPI 885
The letters patent expired on 08/25/1992: 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: 10/06/1987. We update with every new RPI gazette, published weekly.
Applicants
Laurente - Equipamentos para Processamento de Dados Ltda.
SP, BR
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
10/06/1987
RPI 885
06/26/1984
RPI 714
#20.1
05/02/1984
RPI 706
#17.1
01/10/1984
RPI 690
#16.1
11/30/1982
RPI 632
#13.1
10/13/1982
RPI 625
08/10/1982
RPI 616
#12.1
12/22/1981
RPI 583
#21.1
08/25/1992
RPI 1134
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