12/29/2009
RPI 2034
Carta-patente expirada
21.1
Patente extinta em 08/12/2004
Invention PatentPI8906363
Elkem a/s
The letters patent expired on 12/29/2009: 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: 12/29/2009. We update with every new RPI gazette, published weekly.
Publications in the Brazilian Industrial Property Gazette (RPI).
12/29/2009
RPI 2034
21.1
Patente extinta em 08/12/2004
12/31/1996
RPI 1361
16.1
06/25/1996
RPI 1334
13.1
12/26/1995
RPI 1308
9.1
02/13/1991
RPI 1054
4.1
08/21/1990
RPI 1029
3.1
03/20/1990
RPI 1010
2.1
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