Carta-patente expirada
#21.1
Patente extinta em 02/05/2011
05/09/2023
RPI 2731
The letters patent expired on 05/09/2023: 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: 05/09/2023. We update with every new RPI gazette, published weekly.
Applicants
C. L. (pessoa física)
SP, BR
Inventors
C. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#21.1
Patente extinta em 02/05/2011
05/09/2023
RPI 2731
#16.2
Referente a RPI 1582 de 02/05/2001.
05/22/2001
RPI 1585
#16.1
05/02/2001
RPI 1582
From the same holder
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