Carta-patente expirada
#21.1
Patente extinta em 08/02/2010
12/26/2012
RPI 2190
Application data
Number
PI8904272Type
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
Acesita S.A.
MG, BR
Cia. Aços Especiais Itabira - ACESITA
MG, BR
Inventors
J. C. (pessoa física)
BR
J. S. (pessoa física)
BR
R. S. (pessoa física)
BR
V. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 08/02/2010
12/26/2012
RPI 2190
#25.4
Alterado de: Companhia Aços Especiais Itabira - ACESITA
09/19/2006
RPI 1863
#16.1
02/08/2000
RPI 1518
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09/08/1999
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Referente a RPI 1486 de 29/06/1999
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06/29/1999
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01/16/1990
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