Carta-patente expirada
#21.1
Patente extinta em 04/12/2010
05/28/2013
RPI 2212
Application data
Number
PI9006133Type
Filing
Publication
The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
A. S. (pessoa física)
BR
O. S. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 04/12/2010
05/28/2013
RPI 2212
#16.1
07/27/1999
RPI 1490
#9.1
02/17/1999
RPI 1467
#4.1
01/26/1993
RPI 1156
#3.1
08/04/1992
RPI 1131
#2.1
05/14/1991
RPI 1067
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