Carta-patente expirada
#21.1
Patente extinta em 05/10/2009
12/26/2012
RPI 2190
Application data
Number
PI8905070Type
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
Alcoa Alumínio S/A
MG, BR
Inventors
H. B. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 05/10/2009
12/26/2012
RPI 2190
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