Concessão da patente
#16.1
10/27/1987
RPI 888
Application data
Number
PI8402005Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/27/1987. We update with every new RPI gazette, published weekly.
Applicants
Fundação de Ciência e Tecnologia
RS, BR
Inventors
E. S. (pessoa física)
M. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/27/1987
RPI 888
#13.1
06/23/1987
RPI 870
#9.1
02/17/1987
RPI 852
#6.1
07/15/1986
RPI 821
#4.1
11/27/1984
RPI 736
#3.2
08/14/1984
RPI 721
#2.1
07/10/1984
RPI 716
#21.1
Patente extinta em 25/04/99
07/08/2008
RPI 1957
From the same holder
Same category
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