Carta-patente expirada
#21.1
PATENTE EXTINTA EM 25/10/2025
01/27/2026
RPI 2873
Application data
Number
PI0505472Type
Filing
Publication
The letters patent expired on 01/27/2026: 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: 01/27/2026. We update with every new RPI gazette, published weekly.
Applicants
Petroleo Brasileiro S.A - Petrobras
RJ, BR
Inventors
C. R. (pessoa física)
BR
R. M. (pessoa física)
BR
Y. F. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
PATENTE EXTINTA EM 25/10/2025
01/27/2026
RPI 2873
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