Carta-patente expirada
#21.1
PATENTE EXTINTA EM 01/12/2025
08/25/2026
RPI 2903
The letters patent expired on 08/25/2026: 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: 08/25/2026. We update with every new RPI gazette, published weekly.
Applicants
PERKONS S/A
PR, BR
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
PATENTE EXTINTA EM 01/12/2025
08/25/2026
RPI 2903
From the same holder
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