Carta-patente expirada
#21.1
Patente extinta em 24/10/2009
12/26/2012
RPI 2190
Application data
Number
PI8905317Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
Aço Minas Gerais S/A - Açominas (Grupo Siderbrás)
MG, BR
Gerdau Açominas S/A
MG, BR
Inventors
G. P. (pessoa física)
BR
S. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 24/10/2009
12/26/2012
RPI 2190
#25.4
Alterado de: Aço Minas Gerais S/A - Açominas
11/22/2005
RPI 1820
#16.1
08/25/1998
RPI 1444
#9.1
08/26/1997
RPI 1395
#4.1
07/27/1993
RPI 1182
#3.1
04/30/1991
RPI 1065
#2.1
12/04/1990
RPI 1044
Same category
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