Solicitação de exame técnico
#4.1
08/15/1989
RPI 982
Application data
Number
PI8700459Type
Filing
Publication
The letters patent expired on 12/05/2012: 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Samarco Mineração S/A
MG, BR
Inventors
A. S. (pessoa física)
BR
F. W. (pessoa física)
BR
G. P. (pessoa física)
BR
J. C. (pessoa física)
BR
R. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
08/15/1989
RPI 982
#3.2
06/16/1987
RPI 869
#2.1
06/09/1987
RPI 868
#21.1
Patente extinta em 29/06/2009
12/05/2012
RPI 2187
#16.1
06/29/1999
RPI 1486
#25.7
Alterada a sede conforme petição INPI/RJ nº 000529 de 08/01/1997
11/17/1998
RPI 1454
#9.1
11/11/1997
RPI 1406
#25.7
08/26/1997
RPI 1395
#6.1
09/03/1996
RPI 1344
#6.1
08/30/1994
RPI 1239
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