Carta-patente expirada
#21.1
Patente extinta em 09/03/2000
07/01/2008
RPI 1956
The letters patent expired on 07/01/2008: 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: 07/01/2008. We update with every new RPI gazette, published weekly.
Applicants
Cia. Aços Especiais Itabira - ACESITA
MG, BR
Inventors
G. L. (pessoa física)
BR
J. D. (pessoa física)
BR
O. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 09/03/2000
07/01/2008
RPI 1956
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