Carta-patente expirada
#21.1
Patente extinta em 15/01/2005
05/11/2010
RPI 2053
Application data
Number
PI9000135Type
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
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
T. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 15/01/2005
05/11/2010
RPI 2053
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