Carta-patente expirada
#21.1
Patente extinta em 15/01/2017
04/04/2017
RPI 2413
Application data
Number
PI9700104Type
Filing
Publication
The letters patent expired on 04/04/2017: 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: 04/04/2017. We update with every new RPI gazette, published weekly.
Applicants
CBMM - Companhia Brasileira de Metalurgia e Mineração
MG, BR
Inventors
D. G. (pessoa física)
BR
S. T. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/01/2017
04/04/2017
RPI 2413
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Alterada de Int.Cl6 C22C 33/06
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