Carta-patente expirada
#21.1
Patente extinta em 14/02/2005
05/11/2010
RPI 2053
Application data
Number
PI9000657Type
Filing
Publication
The letters patent expired on 05/11/2010: 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: 05/11/2010. We update with every new RPI gazette, published weekly.
Applicants
Usinas Siderúrgicas de Minas Gerais S/A - Usiminas
MG, BR
Inventors
A. L. (pessoa física)
BR
E. S. (pessoa física)
BR
J. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 14/02/2005
05/11/2010
RPI 2053
#16.1
08/27/1996
RPI 1343
#9.1
02/06/1996
RPI 1314
#4.1
04/07/1992
RPI 1114
#3.1
10/15/1991
RPI 1089
#2.1
05/22/1990
RPI 1019
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Same category
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